引言:AI技术在美妆行业的革命性变革
在数字化时代,潮流美妆行业正经历着前所未有的转型。传统的”一刀切”产品模式已无法满足消费者日益增长的个性化需求。AI技术的引入,为美妆品牌提供了精准洞察用户需求、提供定制化解决方案的全新可能。通过机器学习、计算机视觉、自然语言处理等技术,美妆企业能够实现从肤质分析到产品推荐的全链路智能化服务,不仅提升了用户体验,也显著提高了转化率和客户忠诚度。
一、AI技术在美妆个性化定制中的核心应用
1.1 智能肤质分析系统
智能肤质分析是AI在美妆领域最基础也最重要的应用之一。通过深度学习算法,系统能够从用户上传的照片中精准识别肤质类型、问题区域和潜在风险。
技术实现原理:
- 使用卷积神经网络(CNN)对皮肤图像进行特征提取
- 通过图像分割技术识别不同皮肤区域(如T区、U区)
- 结合光照校正算法消除环境因素影响
完整代码示例:
import tensorflow as tf
import cv2
import numpy as np
from tensorflow.keras.applications import MobileNetV2
from tensorflow.keras.layers import Dense, GlobalAveragePooling2D
from tensorflow.keras.models import Model
class SkinAnalyzer:
def __init__(self):
# 加载预训练的MobileNetV2模型作为特征提取器
self.base_model = MobileNetV2(weights='imagenet',
include_top=False,
input_shape=(224, 224, 3))
# 冻结基础模型的前100层
for layer in self.base_model.layers[:100]:
layer.trainable = False
# 添加自定义分类层
x = self.base_model.output
x = GlobalAveragePooling2D()(x)
x = Dense(512, activation='relu')(x)
predictions = Dense(6, activation='softmax')(x) # 6种肤质分类
self.model = Model(inputs=self.base_model.input, outputs=predictions)
# 编译模型
self.model.compile(optimizer='adam',
loss='categorical_crossentropy',
metrics=['accuracy'])
def preprocess_image(self, image_path):
"""预处理输入图像"""
img = cv2.imread(image_path)
img = cv2.resize(img, (224, 224))
img = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
img = img.astype('float32') / 255.0
return np.expand_dims(img, axis=0)
def analyze_skin(self, image_path):
"""分析肤质并返回结果"""
processed_img = self.preprocess_image(image_path)
predictions = self.model.predict(processed_img)
# 肤质分类标签
skin_types = ['干性', '油性', '混合性', '敏感性', '中性', '问题性']
result_index = np.argmax(predictions[0])
# 获取置信度
confidence = predictions[0][result_index]
return {
'skin_type': skin_types[result_index],
'confidence': float(confidence),
'all_probabilities': dict(zip(skin_types, predictions[0].tolist()))
}
# 使用示例
if __name__ == "__main__":
analyzer = SkinAnalyzer()
result = analyzer.analyze_skin("user_selfie.jpg")
print(f"检测结果:{result['skin_type']} (置信度: {result['confidence']:.2%})")
实际应用场景: 用户在品牌APP中上传一张素颜照片,系统在3秒内返回肤质分析报告,包括:
- 肤质类型(干性/油性/混合性/敏感性/中性/问题性)
- 皮肤问题识别(痘痘、黑头、细纹、色斑等)
- 皮肤年龄评估
- 个性化护肤建议
1.2 面部特征识别与彩妆模拟
AI能够精准识别面部关键点,实现虚拟试妆和彩妆效果预览,这是个性化定制的重要环节。
技术实现原理:
- 使用dlib或MediaPipe进行面部关键点检测
- 通过GAN(生成对抗网络)生成逼真的彩妆效果
- 实时渲染技术实现AR试妆
完整代码示例:
import mediapipe as mp
import cv2
import numpy as np
from PIL import Image, ImageDraw
class VirtualMakeup:
def __init__(self):
self.mp_face_mesh = mp.solutions.face_mesh
self.face_mesh = self.mp_face_mesh.FaceMesh(
static_image_mode=False,
max_num_faces=1,
refine_landmarks=True,
min_detection_confidence=0.5
)
# 定义彩妆区域对应的面部关键点索引
self.lips_indices = [61, 146, 91, 181, 84, 17, 314, 405, 321, 375, 291, 409, 270, 269, 267, 0, 37, 39, 40, 185]
self.left_eye_indices = [33, 7, 163, 144, 145, 153, 154, 155, 133, 173, 157, 158, 159, 160, 161, 246]
self.right_eye_indices = [263, 249, 390, 373, 374, 380, 381, 382, 362, 398, 384, 385, 386, 387, 388, 466]
self.face_oval = [10, 338, 297, 332, 284, 251, 389, 356, 454, 323, 361, 288, 397, 365, 379, 378, 400, 377, 152, 148, 176, 149, 150, 136, 172, 58, 132, 93, 234, 127, 162, 21, 54, 103, 67, 109]
def detect_landmarks(self, image):
"""检测面部关键点"""
rgb_image = cv2.cvtColor(image, cv2.COLOR_BGR2RGB)
results = self.face_mesh.process(rgb_image)
if results.multi_face_landmarks:
face_landmarks = results.multi_face_landmarks[0]
h, w, _ = image.shape
# 提取关键点坐标
landmarks = []
for landmark in face_landmarks.landmark:
x = int(landmark.x * w)
y = int(landmark.y * h)
landmarks.append((x, y))
return landmarks
return None
def apply_lipstick(self, image, landmarks, color=(255, 0, 0), opacity=0.7):
"""应用口红效果"""
if landmarks is None:
return image
# 创建透明图层
overlay = image.copy()
output = image.copy()
# 获取嘴唇区域的多边形
lip_points = [landmarks[i] for i in self.lips_indices if i < len(landmarks)]
if len(lip_points) < 3:
return image
# 将点转换为numpy数组
lip_points = np.array(lip_points, dtype=np.int32)
# 填充颜色
cv2.fillPoly(overlay, [lip_points], color)
# 应用透明度
cv2.addWeighted(overlay, opacity, output, 1 - opacity, 0, output)
return output
def apply_eyeshadow(self, image, landmarks, color=(100, 100, 200), opacity=0.6):
"""应用眼影效果"""
if landmarks is None:
return image
overlay = image.copy()
output = image.copy()
# 左眼眼影
left_eye_points = [landmarks[i] for i in self.left_eye_indices if i < len(landmarks)]
if len(left_eye_points) > 3:
left_eye_points = np.array(left_eye_points, dtype=np.int32)
cv2.fillPoly(overlay, [left_eye_points], color)
# 右眼眼影
right_eye_points = [landmarks[i] for i in self.right_eye_indices if i < len(landmarks)]
if len(right_eye_points) > 10:
right_eye_points = np.array(right_eye_points, dtype=np.int32)
cv2.fillPoly(overlay, [right_eye_points], color)
cv2.addWeighted(overlay, opacity, output, 1 - opacity, 0, output)
return output
def apply_blush(self, image, landmarks, color=(255, 182, 193), opacity=0.5):
"""应用腮红效果"""
if landmarks is None:
return image
overlay = image.copy()
output = image.copy()
# 获取脸颊区域(简化版)
# 左脸颊:从太阳穴到下巴
left_cheek = [landmarks[i] for i in [234, 93, 132, 58, 172, 136, 150, 176, 152, 400, 379, 365, 397, 288, 361, 323, 454]]
left_cheek = [p for p in left_cheek if p is not None]
if len(left_cheek) > 3:
left_cheek = np.array(left_cheek, dtype=np.int32)
cv2.fillPoly(overlay, [left_cheek], color)
cv2.addWeighted(overlay, opacity, output, 1 - opacity, 0, output)
return output
def apply_full_makeup(self, image_path, makeup_styles):
"""应用全套彩妆"""
image = cv2.imread(image_path)
landmarks = self.detect_landmarks(image)
if landmarks is None:
print("未检测到人脸")
return None
result = image.copy()
# 根据风格应用彩妆
if 'lipstick' in makeup_styles:
result = self.apply_lipstick(result, landmarks,
color=makeup_styles['lipstick']['color'],
opacity=makeup_styles['lipstick']['opacity'])
if 'eyeshadow' in makeup_styles:
result = self.apply_eyeshadow(result, landmarks,
color=makeup_styles['eyeshadow']['color'],
opacity=makeup_styles['eyeshadow']['opacity'])
if 'blush' in makeup_styles:
result = self.apply_blush(result, landmarks,
color=makeup_styles['blush']['color'],
opacity=makeup_styles['blush']['opacity'])
return result
# 使用示例
if __name__ == "__main__":
makeup_app = VirtualMakeup()
# 定义彩妆风格
daily_style = {
'lipstick': {'color': (220, 120, 150), 'opacity': 0.6},
'eyeshadow': {'color': (180, 160, 200), 'opacity': 0.4},
'blush': {'color': (255, 182, 193), 'opacity': 0.3}
}
# 应用彩妆
result = makeup_app.apply_full_makeup("user_photo.jpg", daily_style)
if result is not None:
cv2.imwrite("makeup_result.jpg", result)
print("彩妆效果已生成")
实际应用场景: 用户选择”日常通勤”风格,系统自动应用自然的口红、眼影和腮红效果,并实时显示在屏幕上。用户可以调整颜色深浅、更换不同色号,最终确定最适合自己的彩妆方案。
1.3 个性化配方生成
基于肤质分析和用户偏好,AI能够生成个性化的产品配方,包括护肤品组合和彩妆搭配。
技术实现原理:
- 使用推荐系统算法(协同过滤+内容过滤)
- 结合成分知识图谱
- 应用约束满足问题(CSP)求解器
完整代码示例:
import pandas as pd
import numpy as np
from sklearn.metrics.pairwise import cosine_similarity
from sklearn.feature_extraction.text import TfidfVectorizer
import networkx as nx
class PersonalizedFormulaGenerator:
def __init__(self):
# 模拟产品数据库
self.products = pd.DataFrame({
'product_id': [1, 2, 3, 4, 5, 6, 7, 8, 9, 10],
'name': ['保湿精华', '控油乳液', '抗衰老面霜', '舒缓精华', '美白精华',
'哑光粉底液', '滋润粉底液', '持久口红', '滋润口红', '防水眼线笔'],
'category': ['skincare', 'skincare', 'skincare', 'skincare', 'skincare',
'makeup', 'makeup', 'makeup', 'makeup', 'makeup'],
'ingredients': ['玻尿酸,甘油,维生素B5', '水杨酸,烟酰胺,锌', '视黄醇,胜肽,胶原蛋白',
'积雪草,洋甘菊,神经酰胺', '维生素C,烟酰胺,熊果苷',
'硅石,二氧化钛,吸油粉末', '甘油,玻尿酸,荷荷巴油',
'蜂蜡,色素,维生素E', '羊毛脂,油脂,色素', '炭黑,聚合物,防水成分'],
'suitable_skin': ['干性,敏感性', '油性,混合性', '中性,干性', '敏感性,干性', '所有肤质',
'油性,混合性', '干性,中性', '所有肤质', '干性,敏感性', '所有肤质'],
'concerns': ['干燥,缺水', '出油,毛孔', '皱纹,松弛', '泛红,刺激', '暗沉,色斑',
'脱妆,油光', '卡粉,干燥', '脱色,干燥', '起皮,唇纹', '晕染,脱妆'],
'price': [180, 150, 320, 200, 250, 220, 240, 120, 110, 130]
})
# 成分冲突矩阵(某些成分不能同时使用)
self.conflict_rules = {
('视黄醇', '维生素C'): '建议分开使用,避免刺激',
('水杨酸', '视黄醇'): '建议分开使用,避免过度去角质',
('烟酰胺', '维生素C'): '可以使用,但建议间隔'
}
# 肤质-功效映射
self.skin_concern_mapping = {
'干性': ['保湿', '滋润', '修复'],
'油性': ['控油', '收敛', '清爽'],
'混合性': ['平衡', '分区护理'],
'敏感性': ['舒缓', '修复', '温和'],
'问题性': ['治疗', '修复', '预防']
}
def calculate_similarity(self, user_profile, products):
"""计算用户画像与产品的相似度"""
# 提取特征
features = []
for _, product in products.iterrows():
# 肤质匹配度
skin_match = len(set(user_profile['skin_type'].split(',')) &
set(product['suitable_skin'].split(',')))
# 问题匹配度
concern_match = len(set(user_profile['concerns']) &
set(product['concerns'].split(',')))
# 价格匹配度(用户预算内)
price_match = 1 if product['price'] <= user_profile['budget'] else 0.5
# 成分偏好(用户偏好天然成分)
natural_score = 0
if user_profile.get('prefer_natural', False):
natural_ingredients = ['甘油', '玻尿酸', '积雪草', '洋甘菊', '维生素C']
for ing in natural_ingredients:
if ing in product['ingredients']:
natural_score += 0.2
features.append([skin_match, concern_match, price_match, natural_score])
features = np.array(features)
user_vector = np.array([
3, # 用户肤质匹配期望
len(user_profile['concerns']), # 用户问题数量
1, # 价格匹配期望
2 if user_profile.get('prefer_natural', False) else 0 # 自然成分偏好
])
# 计算余弦相似度
similarities = cosine_similarity([user_vector], features)[0]
return similarities
def check_ingredient_conflicts(self, selected_products):
"""检查成分冲突"""
conflicts = []
ingredients = []
for product in selected_products:
ings = product['ingredients'].split(',')
ingredients.extend(ings)
# 检查冲突规则
for (ing1, ing2), message in self.conflict_rules.items():
if ing1 in ingredients and ing2 in ingredients:
conflicts.append({
'ingredient1': ing1,
'ingredient2': ing2,
'message': message
})
return conflicts
def generate_formula(self, user_profile):
"""生成个性化配方"""
print(f"正在为{user_profile['name']}生成个性化配方...")
print(f"肤质: {user_profile['skin_type']}")
print(f"关注问题: {user_profile['concerns']}")
print(f"预算: {user_profile['budget']}元")
# 计算相似度
similarities = self.calculate_similarity(user_profile, self.products)
# 按类别分组推荐
skincare_products = self.products[self.products['category'] == 'skincare'].copy()
makeup_products = self.products[self.products['category'] == 'makeup'].copy()
skincare_products['similarity'] = similarities[self.products['category'] == 'skincare']
makeup_products['similarity'] = similarities[self.products['category'] == 'makeup']
# 选择Top-2护肤品和Top-2彩妆品
recommended_skincare = skincare_products.nlargest(2, 'similarity')
recommended_makeup = makeup_products.nlargest(2, 'similarity')
# 合并推荐
formula = pd.concat([recommended_skincare, recommended_makeup])
# 检查冲突
selected_products = formula.to_dict('records')
conflicts = self.check_ingredient_conflicts(selected_products)
# 计算总价
total_price = formula['price'].sum()
# 生成使用建议
usage_tips = self.generate_usage_tips(user_profile, selected_products)
return {
'formula': formula[['name', 'category', 'ingredients', 'price']].to_dict('records'),
'total_price': total_price,
'conflicts': conflicts,
'usage_tips': usage_tips,
'confidence': float(formula['similarity'].mean())
}
def generate_usage_tips(self, user_profile, products):
"""生成使用建议"""
tips = []
# 根据肤质建议使用顺序
if '干性' in user_profile['skin_type']:
tips.append("建议使用顺序:洁面 → 精华 → 乳液/面霜 → 防晒")
tips.append("每周可使用2-3次保湿面膜加强护理")
elif '油性' in user_profile['skin_type']:
tips.append("建议使用顺序:洁面 → 爽肤水 → 精华 → 清爽乳液")
tips.append("T区可重点控油,U区适度保湿")
# 根据成分建议使用时间
for product in products:
if '视黄醇' in product['ingredients']:
tips.append("含视黄醇的产品建议夜间使用")
if '维生素C' in product['ingredients']:
tips.append("含维生素C的产品建议日间使用,需配合防晒")
# 根据问题建议使用频率
if '出油' in user_profile['concerns']:
tips.append("控油产品可每日使用,观察皮肤反应")
if '泛红' in user_profile['concerns']:
tips.append("舒缓产品建议持续使用至少2周观察效果")
return tips
# 使用示例
if __name__ == "__main__":
# 用户画像
user_profile = {
'name': '张小姐',
'skin_type': '混合性',
'concerns': ['出油', '毛孔', '暗沉'],
'budget': 800,
'prefer_natural': True
}
generator = PersonalizedFormulaGenerator()
result = generator.generate_formula(user_profile)
print("\n=== 个性化配方方案 ===")
for item in result['formula']:
print(f"【{item['name']}】 - {item['price']}元")
print(f" 成分: {item['ingredients']}")
print(f"\n总价: {result['total_price']}元")
print(f"推荐置信度: {result['confidence']:.2%}")
if result['conflicts']:
print("\n⚠️ 成分冲突提醒:")
for conflict in result['conflicts']:
print(f" {conflict['ingredient1']} + {conflict['ingredient2']}: {conflict['message']}")
print("\n使用建议:")
for tip in result['usage_tips']:
print(f" • {tip}")
二、智能推荐系统架构
2.1 多维度用户画像构建
精准的推荐依赖于全面的用户画像,包括静态属性和动态行为数据。
用户画像数据结构:
{
"user_id": "U2023001",
"static_profile": {
"age": 25,
"skin_type": "混合性",
"concerns": ["出油", "毛孔", "暗沉"],
"budget_level": "中等",
"style_preference": ["自然", "通勤"]
},
"behavioral_data": {
"browsing_history": ["粉底液", "口红", "精华"],
"purchase_history": [
{"product_id": "P001", "rating": 4.5, "comment": "持妆效果好"},
{"product_id": "P002", "rating": 3.8, "comment": "有点干"}
],
"virtual_try_on": ["唇膏#305", "眼影#08"],
"search_queries": ["适合混合皮的粉底", "持久口红"]
},
"preference_vector": {
"texture": [0.7, 0.2, 0.1], # 偏好质地: 清爽/滋润/哑光
"coverage": [0.6, 0.4], # 遮瑕度: 轻薄/高遮瑕
"longevity": [0.8, 0.2] # 持久度: 长效/自然
}
}
2.2 混合推荐算法实现
结合协同过滤、内容过滤和知识图谱的混合推荐系统。
完整代码示例:
import numpy as np
import pandas as pd
from scipy.sparse import csr_matrix
from sklearn.neighbors import NearestNeighbors
from sklearn.feature_extraction.text import TfidfVectorizer
import networkx as nx
class HybridRecommendationSystem:
def __init__(self):
# 模拟用户-产品交互数据
self.user_product_interactions = pd.DataFrame({
'user_id': ['U1', 'U1', 'U2', 'U2', 'U3', 'U3', 'U4', 'U4', 'U5', 'U5'],
'product_id': ['P1', 'P2', 'P1', 'P3', 'P2', 'P4', 'P1', 'P5', 'P3', 'P5'],
'rating': [5, 4, 4, 3, 5, 4, 3, 5, 4, 5],
'interaction_type': ['purchase', 'view', 'purchase', 'view', 'purchase', 'view', 'view', 'purchase', 'purchase', 'purchase']
})
# 产品特征数据
self.product_features = pd.DataFrame({
'product_id': ['P1', 'P2', 'P3', 'P4', 'P5'],
'name': ['保湿精华', '控油乳液', '抗衰老面霜', '美白精华', '滋润面霜'],
'category': ['skincare', 'skincare', 'skincare', 'skincare', 'skincare'],
'ingredients': ['玻尿酸,甘油,维生素B5', '水杨酸,烟酰胺,锌', '视黄醇,胜肽,胶原蛋白', '维生素C,烟酰胺,熊果苷', '甘油,玻尿酸,荷荷巴油'],
'suitable_skin': ['干性,敏感性', '油性,混合性', '中性,干性', '所有肤质', '干性,中性'],
'price': [180, 150, 320, 250, 200],
'tags': ['保湿', '控油', '抗老', '美白', '滋润']
})
# 构建知识图谱
self.knowledge_graph = self._build_knowledge_graph()
def _build_knowledge_graph(self):
"""构建成分-功效-肤质知识图谱"""
G = nx.DiGraph()
# 添加产品节点
for _, product in self.product_features.iterrows():
G.add_node(product['product_id'], type='product', name=product['name'])
# 添加成分节点和关系
for ing in product['ingredients'].split(','):
G.add_node(ing, type='ingredient')
G.add_edge(product['product_id'], ing, relation='contains')
G.add_edge(ing, product['product_id'], relation='in')
# 添加肤质节点和关系
for skin in product['suitable_skin'].split(','):
G.add_node(skin, type='skin_type')
G.add_edge(skin, product['product_id'], relation='suitable_for')
# 添加功效节点和关系
for tag in product['tags'].split(','):
G.add_node(tag, type='effect')
G.add_edge(product['product_id'], tag, relation='has_effect')
return G
def collaborative_filtering(self, user_id, k=3):
"""基于用户的协同过滤"""
# 创建用户-产品矩阵
user_product_matrix = self.user_product_interactions.pivot_table(
index='user_id',
columns='product_id',
values='rating',
fill_value=0
)
# 计算用户相似度
user_similarity = cosine_similarity(user_product_matrix)
user_similarity_df = pd.DataFrame(
user_similarity,
index=user_product_matrix.index,
columns=user_product_matrix.index
)
if user_id not in user_similarity_df.index:
return []
# 找到最相似的k个用户
similar_users = user_similarity_df[user_id].sort_values(ascending=False)[1:k+1]
# 获取这些用户评分高的产品
recommendations = []
for similar_user, similarity in similar_users.items():
# 获取相似用户评分>4的产品
user_ratings = self.user_product_interactions[
(self.user_product_interactions['user_id'] == similar_user) &
(self.user_product_interactions['rating'] >= 4)
]
for _, row in user_ratings.iterrows():
# 排除用户已经交互过的产品
if not self.user_product_interactions[
(self.user_product_interactions['user_id'] == user_id) &
(self.user_product_interactions['product_id'] == row['product_id'])
].empty:
continue
recommendations.append({
'product_id': row['product_id'],
'score': row['rating'] * similarity,
'source': 'collaborative'
})
return recommendations
def content_based_filtering(self, user_profile, top_n=5):
"""基于内容的推荐"""
# 提取用户偏好特征
user_concerns = user_profile.get('concerns', [])
user_skin_type = user_profile.get('skin_type', '')
# 计算产品与用户需求的匹配度
recommendations = []
for _, product in self.product_features.iterrows():
score = 0
# 肤质匹配
if user_skin_type in product['suitable_skin']:
score += 3
# 问题匹配
product_concerns = product['tags'].split(',')
matched_concerns = set(user_concerns) & set(product_concerns)
score += len(matched_concerns) * 2
# 价格匹配(假设用户预算中等)
if user_profile.get('budget_level') == '中等' and 150 <= product['price'] <= 300:
score += 1
# 成分偏好(如果有)
if user_profile.get('prefer_natural', False):
natural_ings = ['甘油', '玻尿酸', '积雪草', '洋甘菊']
for ing in natural_ings:
if ing in product['ingredients']:
score += 0.5
if score > 0:
recommendations.append({
'product_id': product['product_id'],
'score': score,
'source': 'content'
})
return sorted(recommendations, key=lambda x: x['score'], reverse=True)[:top_n]
def knowledge_graph_recommendation(self, user_profile, top_n=5):
"""基于知识图谱的推荐"""
user_concerns = user_profile.get('concerns', [])
user_skin_type = user_profile.get('skin_type', '')
recommendations = []
# 从用户关注的问题出发,在图谱中寻找相关产品
for concern in user_concerns:
if concern in self.knowledge_graph.nodes():
# 找到有该功效的产品
for product_id in self.knowledge_graph.predecessors(concern):
if self.knowledge_graph.nodes[product_id]['type'] == 'product':
# 检查肤质是否匹配
skin_nodes = list(self.knowledge_graph.successors(product_id))
skin_types = [node for node in skin_nodes if self.knowledge_graph.nodes[node]['type'] == 'skin_type']
if user_skin_type in skin_types:
recommendations.append({
'product_id': product_id,
'score': 2.5,
'source': 'knowledge_graph'
})
# 去重
seen = set()
unique_recommendations = []
for rec in recommendations:
if rec['product_id'] not in seen:
seen.add(rec['product_id'])
unique_recommendations.append(rec)
return unique_recommendations[:top_n]
def hybrid_recommend(self, user_id, user_profile, weights={'collaborative': 0.4, 'content': 0.3, 'knowledge': 0.3}):
"""混合推荐"""
# 获取各来源的推荐
cf_recs = self.collaborative_filtering(user_id)
content_recs = self.content_based_filtering(user_profile)
kg_recs = self.knowledge_graph_recommendation(user_profile)
# 合并所有推荐
all_recommendations = {}
for rec in cf_recs:
pid = rec['product_id']
if pid not in all_recommendations:
all_recommendations[pid] = {'score': 0, 'sources': []}
all_recommendations[pid]['score'] += rec['score'] * weights['collaborative']
all_recommendations[pid]['sources'].append('协同过滤')
for rec in content_recs:
pid = rec['product_id']
if pid not in all_recommendations:
all_recommendations[pid] = {'score': 0, 'sources': []}
all_recommendations[pid]['score'] += rec['score'] * weights['content']
all_recommendations[pid]['sources'].append('内容匹配')
for rec in kg_recs:
pid = rec['product_id']
if pid not in all_recommendations:
all_recommendations[pid] = {'score': 0, 'sources': []}
all_recommendations[pid]['score'] += rec['score'] * weights['knowledge']
all_recommendations[pid]['sources'].append('知识图谱')
# 转换为列表并排序
final_recommendations = []
for pid, data in all_recommendations.items():
product_info = self.product_features[self.product_features['product_id'] == pid].iloc[0]
final_recommendations.append({
'product_id': pid,
'name': product_info['name'],
'score': data['score'],
'sources': data['sources'],
'price': product_info['price'],
'reason': f"基于{', '.join(data['sources'])}推荐"
})
return sorted(final_recommendations, key=lambda x: x['score'], reverse=True)
# 使用示例
if __name__ == "__main__":
system = HybridRecommendationSystem()
# 用户画像
user_profile = {
'user_id': 'U1',
'skin_type': '混合性',
'concerns': ['控油', '毛孔'],
'budget_level': '中等',
'prefer_natural': True
}
# 获取推荐
recommendations = system.hybrid_recommend('U1', user_profile)
print("=== 个性化推荐结果 ===")
for i, rec in enumerate(recommendations, 1):
print(f"{i}. {rec['name']} (¥{rec['price']})")
print(f" 推荐理由: {rec['reason']}")
print(f" 综合评分: {rec['score']:.2f}")
print()
三、AI驱动的智能客服与咨询
3.1 美妆领域专用聊天机器人
基于大语言模型微调的美妆顾问机器人,能够理解用户需求并提供专业建议。
技术实现:
- 使用RAG(检索增强生成)技术
- 结合美妆知识库
- 支持多轮对话和上下文理解
代码示例:
import json
import re
from typing import List, Dict, Any
class BeautyChatbot:
def __init__(self):
# 美妆知识库
self.knowledge_base = {
'肤质判断': {
'patterns': ['我是哪种肤质', '怎么判断肤质', '皮肤类型'],
'response': '我可以帮您分析肤质。请告诉我:1. 您的皮肤容易出油吗?2. 洗脸后是否紧绷?3. 是否容易泛红?'
},
'产品推荐': {
'patterns': ['推荐', '买什么', '哪个牌子好'],
'response': '为了更好地推荐,我需要了解:1. 您的肤质?2. 想解决什么问题?3. 预算范围?'
},
'使用方法': {
'patterns': ['怎么用', '使用顺序', '步骤'],
'response': '基础护肤顺序:1. 洁面 2. 爽肤水 3. 精华 4. 乳液/面霜 5. 防晒(白天)'
},
'成分问题': {
'patterns': ['成分', '含什么', '有酒精吗'],
'response': '我可以查询产品成分。请告诉我具体产品名称或成分名。'
}
}
# 成分知识库
self.ingredients_db = {
'玻尿酸': {'功效': '保湿', '适合': '所有肤质', '注意事项': '需配合锁水产品'},
'视黄醇': {'功效': '抗老', '适合': '耐受性皮肤', '注意事项': '夜间使用,需防晒'},
'烟酰胺': {'功效': '美白控油', '适合': '油性/混合性', '注意事项': '建立耐受'},
'水杨酸': {'功效': '去角质', '适合': '油性/痘痘肌', '注意事项': '避免与其他酸类叠加'}
}
# 对话历史
self.conversation_history = {}
def analyze_intent(self, message: str) -> str:
"""分析用户意图"""
message_lower = message.lower()
for intent, data in self.knowledge_base.items():
for pattern in data['patterns']:
if pattern in message_lower:
return intent
# 默认意图
if any(word in message_lower for word in ['你好', 'hi', 'hello']):
return 'greeting'
elif any(word in message_lower for word in ['谢谢', '感谢']):
return 'thanks'
else:
return 'general'
def extract_entities(self, message: str) -> Dict[str, List[str]]:
"""提取实体信息"""
entities = {
'skin_type': [],
'concerns': [],
'ingredients': [],
'products': []
}
# 肤质关键词
skin_types = ['干性', '油性', '混合性', '敏感性', '中性']
for st in skin_types:
if st in message:
entities['skin_type'].append(st)
# 问题关键词
concerns_map = {
'痘痘': '痘痘', '出油': '出油', '毛孔': '毛孔',
'干燥': '干燥', '暗沉': '暗沉', '皱纹': '皱纹',
'泛红': '泛红', '敏感': '敏感'
}
for key, value in concerns_map.items():
if key in message:
entities['concerns'].append(value)
# 成分关键词
for ing in self.ingredients_db.keys():
if ing in message:
entities['ingredients'].append(ing)
# 产品名称(简单匹配)
product_keywords = ['精华', '面霜', '乳液', '口红', '粉底']
for keyword in product_keywords:
if keyword in message:
entities['products'].append(keyword)
return entities
def generate_response(self, message: str, user_id: str = 'default') -> str:
"""生成回复"""
# 记录对话历史
if user_id not in self.conversation_history:
self.conversation_history[user_id] = []
# 分析意图
intent = self.analyze_intent(message)
entities = self.extract_entities(message)
# 根据意图生成回复
if intent == 'greeting':
response = "您好!我是您的美妆AI顾问,有什么可以帮助您的吗?"
elif intent == '肤质判断':
if entities['skin_type']:
response = f"根据您的描述,您可能是{'、'.join(entities['skin_type'])}肤质。"
else:
response = self.knowledge_base['肤质判断']['response']
elif intent == '产品推荐':
if entities['concerns'] and entities['skin_type']:
concerns = '、'.join(entities['concerns'])
skin = entities['skin_type'][0]
response = f"针对{skin}肤质的{concerns}问题,我建议:\n"
# 简单推荐逻辑
if '出油' in entities['concerns']:
response += "1. 含有水杨酸或烟酰胺的控油产品\n"
if '干燥' in entities['concerns']:
response += "2. 含有玻尿酸或神经酰胺的保湿产品\n"
if '痘痘' in entities['concerns']:
response += "3. 含有积雪草或茶树精油的舒缓产品\n"
response += "建议您先试用小样,观察皮肤反应。"
else:
response = self.knowledge_base['产品推荐']['response']
elif intent == '成分问题':
if entities['ingredients']:
ing = entities['ingredients'][0]
if ing in self.ingredients_db:
info = self.ingredients_db[ing]
response = f"【{ing}】\n"
response += f"功效: {info['功效']}\n"
response += f"适合肤质: {info['适合']}\n"
response += f"注意事项: {info['注意事项']}"
else:
response = f"暂无{ing}的详细信息。"
else:
response = "请告诉我您想查询的成分名称。"
elif intent == 'thanks':
response = "不客气!如果还有其他美妆问题,随时问我哦~"
else:
response = "抱歉,我可能没理解您的问题。您可以尝试:\n"
response += "- 询问肤质判断\n"
response += "- 描述皮肤问题求推荐\n"
response += "- 查询成分功效\n"
response += "- 了解护肤步骤"
# 记录对话
self.conversation_history[user_id].append({
'user': message,
'bot': response,
'intent': intent,
'entities': entities
})
return response
def get_conversation_summary(self, user_id: str) -> str:
"""获取对话总结"""
if user_id not in self.conversation_history:
return "暂无对话记录"
history = self.conversation_history[user_id]
summary = f"共{len(history)}轮对话\n"
# 提取关键信息
skin_types = set()
concerns = set()
for turn in history:
entities = turn['entities']
skin_types.update(entities['skin_type'])
concerns.update(entities['concerns'])
if skin_types:
summary += f"识别肤质: {', '.join(skin_types)}\n"
if concerns:
summary += f"关注问题: {', '.join(concerns)}\n"
return summary
# 使用示例
if __name__ == "__main__":
bot = BeautyChatbot()
# 模拟对话
messages = [
"你好",
"我是混合性皮肤,容易出油和长毛孔,应该用什么产品?",
"玻尿酸有什么作用?",
"谢谢"
]
print("=== 美妆AI顾问对话演示 ===\n")
for msg in messages:
print(f"用户: {msg}")
response = bot.generate_response(msg, "user001")
print(f"AI顾问: {response}\n")
# 查看对话总结
print("=== 对话总结 ===")
print(bot.get_conversation_summary("user001"))
四、实际应用案例与效果分析
4.1 国际品牌应用实例
欧莱雅集团:
- ModiFace:收购的AR试妆技术,支持1000+产品虚拟试用
- Perso:AI驱动的个性化护肤品配方设备
- 效果:线上转化率提升3倍,用户停留时间增加5倍
雅诗兰黛:
- AI粉底匹配系统:通过照片分析肤色、肤质,推荐匹配色号
- 效果:退货率降低40%,客户满意度提升35%
4.2 新兴品牌创新应用
Glossier:
- 利用AI分析社交媒体数据,洞察Z世代美妆趋势
- 基于用户UGC内容生成个性化推荐
- 效果:复购率提升60%,客单价增加45%
Function of Beauty:
- AI驱动的洗发水定制
- 用户填写问卷后,机器现场调配
- 效果:年销售额突破1亿美元,用户留存率75%# 潮流美妆如何借助AI技术实现个性化定制与智能推荐
引言:AI技术在美妆行业的革命性变革
在数字化时代,美妆行业正经历着前所未有的转型。传统的”一刀切”产品模式已无法满足消费者日益增长的个性化需求。AI技术的引入,为美妆品牌提供了精准洞察用户需求、提供定制化解决方案的全新可能。通过机器学习、计算机视觉、自然语言处理等技术,美妆企业能够实现从肤质分析到产品推荐的全链路智能化服务,不仅提升了用户体验,也显著提高了转化率和客户忠诚度。
一、AI技术在美妆个性化定制中的核心应用
1.1 智能肤质分析系统
智能肤质分析是AI在美妆领域最基础也最重要的应用之一。通过深度学习算法,系统能够从用户上传的照片中精准识别肤质类型、问题区域和潜在风险。
技术实现原理:
- 使用卷积神经网络(CNN)对皮肤图像进行特征提取
- 通过图像分割技术识别不同皮肤区域(如T区、U区)
- 结合光照校正算法消除环境因素影响
完整代码示例:
import tensorflow as tf
import cv2
import numpy as np
from tensorflow.keras.applications import MobileNetV2
from tensorflow.keras.layers import Dense, GlobalAveragePooling2D
from tensorflow.keras.models import Model
class SkinAnalyzer:
def __init__(self):
# 加载预训练的MobileNetV2模型作为特征提取器
self.base_model = MobileNetV2(weights='imagenet',
include_top=False,
input_shape=(224, 224, 3))
# 冻结基础模型的前100层
for layer in self.base_model.layers[:100]:
layer.trainable = False
# 添加自定义分类层
x = self.base_model.output
x = GlobalAveragePooling2D()(x)
x = Dense(512, activation='relu')(x)
predictions = Dense(6, activation='softmax')(x) # 6种肤质分类
self.model = Model(inputs=self.base_model.input, outputs=predictions)
# 编译模型
self.model.compile(optimizer='adam',
loss='categorical_crossentropy',
metrics=['accuracy'])
def preprocess_image(self, image_path):
"""预处理输入图像"""
img = cv2.imread(image_path)
img = cv2.resize(img, (224, 224))
img = cv2.cvtColor(img, cv2.COLOR_BGR2RGB)
img = img.astype('float32') / 255.0
return np.expand_dims(img, axis=0)
def analyze_skin(self, image_path):
"""分析肤质并返回结果"""
processed_img = self.preprocess_image(image_path)
predictions = self.model.predict(processed_img)
# 肤质分类标签
skin_types = ['干性', '油性', '混合性', '敏感性', '中性', '问题性']
result_index = np.argmax(predictions[0])
# 获取置信度
confidence = predictions[0][result_index]
return {
'skin_type': skin_types[result_index],
'confidence': float(confidence),
'all_probabilities': dict(zip(skin_types, predictions[0].tolist()))
}
# 使用示例
if __name__ == "__main__":
analyzer = SkinAnalyzer()
result = analyzer.analyze_skin("user_selfie.jpg")
print(f"检测结果:{result['skin_type']} (置信度: {result['confidence']:.2%})")
实际应用场景: 用户在品牌APP中上传一张素颜照片,系统在3秒内返回肤质分析报告,包括:
- 肤质类型(干性/油性/混合性/敏感性/中性/问题性)
- 皮肤问题识别(痘痘、黑头、细纹、色斑等)
- 皮肤年龄评估
- 个性化护肤建议
1.2 面部特征识别与彩妆模拟
AI能够精准识别面部关键点,实现虚拟试妆和彩妆效果预览,这是个性化定制的重要环节。
技术实现原理:
- 使用dlib或MediaPipe进行面部关键点检测
- 通过GAN(生成对抗网络)生成逼真的彩妆效果
- 实时渲染技术实现AR试妆
完整代码示例:
import mediapipe as mp
import cv2
import numpy as np
from PIL import Image, ImageDraw
class VirtualMakeup:
def __init__(self):
self.mp_face_mesh = mp.solutions.face_mesh
self.face_mesh = self.mp_face_mesh.FaceMesh(
static_image_mode=False,
max_num_faces=1,
refine_landmarks=True,
min_detection_confidence=0.5
)
# 定义彩妆区域对应的面部关键点索引
self.lips_indices = [61, 146, 91, 181, 84, 17, 314, 405, 321, 375, 291, 409, 270, 269, 267, 0, 37, 39, 40, 185]
self.left_eye_indices = [33, 7, 163, 144, 145, 153, 154, 155, 133, 173, 157, 158, 159, 160, 161, 246]
self.right_eye_indices = [263, 249, 390, 373, 374, 380, 381, 382, 362, 398, 384, 385, 386, 387, 388, 466]
self.face_oval = [10, 338, 297, 332, 284, 251, 389, 356, 454, 323, 361, 288, 397, 365, 379, 378, 400, 377, 152, 148, 176, 149, 150, 136, 172, 58, 132, 93, 234, 127, 162, 21, 54, 103, 67, 109]
def detect_landmarks(self, image):
"""检测面部关键点"""
rgb_image = cv2.cvtColor(image, cv2.COLOR_BGR2RGB)
results = self.face_mesh.process(rgb_image)
if results.multi_face_landmarks:
face_landmarks = results.multi_face_landmarks[0]
h, w, _ = image.shape
# 提取关键点坐标
landmarks = []
for landmark in face_landmarks.landmark:
x = int(landmark.x * w)
y = int(landmark.y * h)
landmarks.append((x, y))
return landmarks
return None
def apply_lipstick(self, image, landmarks, color=(255, 0, 0), opacity=0.7):
"""应用口红效果"""
if landmarks is None:
return image
# 创建透明图层
overlay = image.copy()
output = image.copy()
# 获取嘴唇区域的多边形
lip_points = [landmarks[i] for i in self.lips_indices if i < len(landmarks)]
if len(lip_points) < 3:
return image
# 将点转换为numpy数组
lip_points = np.array(lip_points, dtype=np.int32)
# 填充颜色
cv2.fillPoly(overlay, [lip_points], color)
# 应用透明度
cv2.addWeighted(overlay, opacity, output, 1 - opacity, 0, output)
return output
def apply_eyeshadow(self, image, landmarks, color=(100, 100, 200), opacity=0.6):
"""应用眼影效果"""
if landmarks is None:
return image
overlay = image.copy()
output = image.copy()
# 左眼眼影
left_eye_points = [landmarks[i] for i in self.left_eye_indices if i < len(landmarks)]
if len(left_eye_points) > 3:
left_eye_points = np.array(left_eye_points, dtype=np.int32)
cv2.fillPoly(overlay, [left_eye_points], color)
# 右眼眼影
right_eye_points = [landmarks[i] for i in self.right_eye_indices if i < len(landmarks)]
if len(right_eye_points) > 10:
right_eye_points = np.array(right_eye_points, dtype=np.int32)
cv2.fillPoly(overlay, [right_eye_points], color)
cv2.addWeighted(overlay, opacity, output, 1 - opacity, 0, output)
return output
def apply_blush(self, image, landmarks, color=(255, 182, 193), opacity=0.5):
"""应用腮红效果"""
if landmarks is None:
return image
overlay = image.copy()
output = image.copy()
# 获取脸颊区域(简化版)
# 左脸颊:从太阳穴到下巴
left_cheek = [landmarks[i] for i in [234, 93, 132, 58, 172, 136, 150, 176, 152, 400, 379, 365, 397, 288, 361, 323, 454]]
left_cheek = [p for p in left_cheek if p is not None]
if len(left_cheek) > 3:
left_cheek = np.array(left_cheek, dtype=np.int32)
cv2.fillPoly(overlay, [left_cheek], color)
cv2.addWeighted(overlay, opacity, output, 1 - opacity, 0, output)
return output
def apply_full_makeup(self, image_path, makeup_styles):
"""应用全套彩妆"""
image = cv2.imread(image_path)
landmarks = self.detect_landmarks(image)
if landmarks is None:
print("未检测到人脸")
return None
result = image.copy()
# 根据风格应用彩妆
if 'lipstick' in makeup_styles:
result = self.apply_lipstick(result, landmarks,
color=makeup_styles['lipstick']['color'],
opacity=makeup_styles['lipstick']['opacity'])
if 'eyeshadow' in makeup_styles:
result = self.apply_eyeshadow(result, landmarks,
color=makeup_styles['eyeshadow']['color'],
opacity=makeup_styles['eyeshadow']['opacity'])
if 'blush' in makeup_styles:
result = self.apply_blush(result, landmarks,
color=makeup_styles['blush']['color'],
opacity=makeup_styles['blush']['opacity'])
return result
# 使用示例
if __name__ == "__main__":
makeup_app = VirtualMakeup()
# 定义彩妆风格
daily_style = {
'lipstick': {'color': (220, 120, 150), 'opacity': 0.6},
'eyeshadow': {'color': (180, 160, 200), 'opacity': 0.4},
'blush': {'color': (255, 182, 193), 'opacity': 0.3}
}
# 应用彩妆
result = makeup_app.apply_full_makeup("user_photo.jpg", daily_style)
if result is not None:
cv2.imwrite("makeup_result.jpg", result)
print("彩妆效果已生成")
实际应用场景: 用户选择”日常通勤”风格,系统自动应用自然的口红、眼影和腮红效果,并实时显示在屏幕上。用户可以调整颜色深浅、更换不同色号,最终确定最适合自己的彩妆方案。
1.3 个性化配方生成
基于肤质分析和用户偏好,AI能够生成个性化的产品配方,包括护肤品组合和彩妆搭配。
技术实现原理:
- 使用推荐系统算法(协同过滤+内容过滤)
- 结合成分知识图谱
- 应用约束满足问题(CSP)求解器
完整代码示例:
import pandas as pd
import numpy as np
from sklearn.metrics.pairwise import cosine_similarity
from sklearn.feature_extraction.text import TfidfVectorizer
import networkx as nx
class PersonalizedFormulaGenerator:
def __init__(self):
# 模拟产品数据库
self.products = pd.DataFrame({
'product_id': [1, 2, 3, 4, 5, 6, 7, 8, 9, 10],
'name': ['保湿精华', '控油乳液', '抗衰老面霜', '舒缓精华', '美白精华',
'哑光粉底液', '滋润粉底液', '持久口红', '滋润口红', '防水眼线笔'],
'category': ['skincare', 'skincare', 'skincare', 'skincare', 'skincare',
'makeup', 'makeup', 'makeup', 'makeup', 'makeup'],
'ingredients': ['玻尿酸,甘油,维生素B5', '水杨酸,烟酰胺,锌', '视黄醇,胜肽,胶原蛋白',
'积雪草,洋甘菊,神经酰胺', '维生素C,烟酰胺,熊果苷',
'硅石,二氧化钛,吸油粉末', '甘油,玻尿酸,荷荷巴油',
'蜂蜡,色素,维生素E', '羊毛脂,油脂,色素', '炭黑,聚合物,防水成分'],
'suitable_skin': ['干性,敏感性', '油性,混合性', '中性,干性', '敏感性,干性', '所有肤质',
'油性,混合性', '干性,中性', '所有肤质', '干性,敏感性', '所有肤质'],
'concerns': ['干燥,缺水', '出油,毛孔', '皱纹,松弛', '泛红,刺激', '暗沉,色斑',
'脱妆,油光', '卡粉,干燥', '脱色,干燥', '起皮,唇纹', '晕染,脱妆'],
'price': [180, 150, 320, 200, 250, 220, 240, 120, 110, 130]
})
# 成分冲突矩阵(某些成分不能同时使用)
self.conflict_rules = {
('视黄醇', '维生素C'): '建议分开使用,避免刺激',
('水杨酸', '视黄醇'): '建议分开使用,避免过度去角质',
('烟酰胺', '维生素C'): '可以使用,但建议间隔'
}
# 肤质-功效映射
self.skin_concern_mapping = {
'干性': ['保湿', '滋润', '修复'],
'油性': ['控油', '收敛', '清爽'],
'混合性': ['平衡', '分区护理'],
'敏感性': ['舒缓', '修复', '温和'],
'问题性': ['治疗', '修复', '预防']
}
def calculate_similarity(self, user_profile, products):
"""计算用户画像与产品的相似度"""
# 提取特征
features = []
for _, product in products.iterrows():
# 肤质匹配度
skin_match = len(set(user_profile['skin_type'].split(',')) &
set(product['suitable_skin'].split(',')))
# 问题匹配度
concern_match = len(set(user_profile['concerns']) &
set(product['concerns'].split(',')))
# 价格匹配度(用户预算内)
price_match = 1 if product['price'] <= user_profile['budget'] else 0.5
# 成分偏好(用户偏好天然成分)
natural_score = 0
if user_profile.get('prefer_natural', False):
natural_ingredients = ['甘油', '玻尿酸', '积雪草', '洋甘菊', '维生素C']
for ing in natural_ingredients:
if ing in product['ingredients']:
natural_score += 0.2
features.append([skin_match, concern_match, price_match, natural_score])
features = np.array(features)
user_vector = np.array([
3, # 用户肤质匹配期望
len(user_profile['concerns']), # 用户问题数量
1, # 价格匹配期望
2 if user_profile.get('prefer_natural', False) else 0 # 自然成分偏好
])
# 计算余弦相似度
similarities = cosine_similarity([user_vector], features)[0]
return similarities
def check_ingredient_conflicts(self, selected_products):
"""检查成分冲突"""
conflicts = []
ingredients = []
for product in selected_products:
ings = product['ingredients'].split(',')
ingredients.extend(ings)
# 检查冲突规则
for (ing1, ing2), message in self.conflict_rules.items():
if ing1 in ingredients and ing2 in ingredients:
conflicts.append({
'ingredient1': ing1,
'ingredient2': ing2,
'message': message
})
return conflicts
def generate_formula(self, user_profile):
"""生成个性化配方"""
print(f"正在为{user_profile['name']}生成个性化配方...")
print(f"肤质: {user_profile['skin_type']}")
print(f"关注问题: {user_profile['concerns']}")
print(f"预算: {user_profile['budget']}元")
# 计算相似度
similarities = self.calculate_similarity(user_profile, self.products)
# 按类别分组推荐
skincare_products = self.products[self.products['category'] == 'skincare'].copy()
makeup_products = self.products[self.products['category'] == 'makeup'].copy()
skincare_products['similarity'] = similarities[self.products['category'] == 'skincare']
makeup_products['similarity'] = similarities[self.products['category'] == 'makeup']
# 选择Top-2护肤品和Top-2彩妆品
recommended_skincare = skincare_products.nlargest(2, 'similarity')
recommended_makeup = makeup_products.nlargest(2, 'similarity')
# 合并推荐
formula = pd.concat([recommended_skincare, recommended_makeup])
# 检查冲突
selected_products = formula.to_dict('records')
conflicts = self.check_ingredient_conflicts(selected_products)
# 计算总价
total_price = formula['price'].sum()
# 生成使用建议
usage_tips = self.generate_usage_tips(user_profile, selected_products)
return {
'formula': formula[['name', 'category', 'ingredients', 'price']].to_dict('records'),
'total_price': total_price,
'conflicts': conflicts,
'usage_tips': usage_tips,
'confidence': float(formula['similarity'].mean())
}
def generate_usage_tips(self, user_profile, products):
"""生成使用建议"""
tips = []
# 根据肤质建议使用顺序
if '干性' in user_profile['skin_type']:
tips.append("建议使用顺序:洁面 → 精华 → 乳液/面霜 → 防晒")
tips.append("每周可使用2-3次保湿面膜加强护理")
elif '油性' in user_profile['skin_type']:
tips.append("建议使用顺序:洁面 → 爽肤水 → 精华 → 清爽乳液")
tips.append("T区可重点控油,U区适度保湿")
# 根据成分建议使用时间
for product in products:
if '视黄醇' in product['ingredients']:
tips.append("含视黄醇的产品建议夜间使用")
if '维生素C' in product['ingredients']:
tips.append("含维生素C的产品建议日间使用,需配合防晒")
# 根据问题建议使用频率
if '出油' in user_profile['concerns']:
tips.append("控油产品可每日使用,观察皮肤反应")
if '泛红' in user_profile['concerns']:
tips.append("舒缓产品建议持续使用至少2周观察效果")
return tips
# 使用示例
if __name__ == "__main__":
# 用户画像
user_profile = {
'name': '张小姐',
'skin_type': '混合性',
'concerns': ['出油', '毛孔', '暗沉'],
'budget': 800,
'prefer_natural': True
}
generator = PersonalizedFormulaGenerator()
result = generator.generate_formula(user_profile)
print("\n=== 个性化配方方案 ===")
for item in result['formula']:
print(f"【{item['name']}】 - {item['price']}元")
print(f" 成分: {item['ingredients']}")
print(f"\n总价: {result['total_price']}元")
print(f"推荐置信度: {result['confidence']:.2%}")
if result['conflicts']:
print("\n⚠️ 成分冲突提醒:")
for conflict in result['conflicts']:
print(f" {conflict['ingredient1']} + {conflict['ingredient2']}: {conflict['message']}")
print("\n使用建议:")
for tip in result['usage_tips']:
print(f" • {tip}")
二、智能推荐系统架构
2.1 多维度用户画像构建
精准的推荐依赖于全面的用户画像,包括静态属性和动态行为数据。
用户画像数据结构:
{
"user_id": "U2023001",
"static_profile": {
"age": 25,
"skin_type": "混合性",
"concerns": ["出油", "毛孔", "暗沉"],
"budget_level": "中等",
"style_preference": ["自然", "通勤"]
},
"behavioral_data": {
"browsing_history": ["粉底液", "口红", "精华"],
"purchase_history": [
{"product_id": "P001", "rating": 4.5, "comment": "持妆效果好"},
{"product_id": "P002", "rating": 3.8, "comment": "有点干"}
],
"virtual_try_on": ["唇膏#305", "眼影#08"],
"search_queries": ["适合混合皮的粉底", "持久口红"]
},
"preference_vector": {
"texture": [0.7, 0.2, 0.1], # 偏好质地: 清爽/滋润/哑光
"coverage": [0.6, 0.4], # 遮瑕度: 轻薄/高遮瑕
"longevity": [0.8, 0.2] # 持久度: 长效/自然
}
}
2.2 混合推荐算法实现
结合协同过滤、内容过滤和知识图谱的混合推荐系统。
完整代码示例:
import numpy as np
import pandas as pd
from scipy.sparse import csr_matrix
from sklearn.neighbors import NearestNeighbors
from sklearn.feature_extraction.text import TfidfVectorizer
import networkx as nx
class HybridRecommendationSystem:
def __init__(self):
# 模拟用户-产品交互数据
self.user_product_interactions = pd.DataFrame({
'user_id': ['U1', 'U1', 'U2', 'U2', 'U3', 'U3', 'U4', 'U4', 'U5', 'U5'],
'product_id': ['P1', 'P2', 'P1', 'P3', 'P2', 'P4', 'P1', 'P5', 'P3', 'P5'],
'rating': [5, 4, 4, 3, 5, 4, 3, 5, 4, 5],
'interaction_type': ['purchase', 'view', 'purchase', 'view', 'purchase', 'view', 'view', 'purchase', 'purchase', 'purchase']
})
# 产品特征数据
self.product_features = pd.DataFrame({
'product_id': ['P1', 'P2', 'P3', 'P4', 'P5'],
'name': ['保湿精华', '控油乳液', '抗衰老面霜', '美白精华', '滋润面霜'],
'category': ['skincare', 'skincare', 'skincare', 'skincare', 'skincare'],
'ingredients': ['玻尿酸,甘油,维生素B5', '水杨酸,烟酰胺,锌', '视黄醇,胜肽,胶原蛋白', '维生素C,烟酰胺,熊果苷', '甘油,玻尿酸,荷荷巴油'],
'suitable_skin': ['干性,敏感性', '油性,混合性', '中性,干性', '所有肤质', '干性,中性'],
'price': [180, 150, 320, 250, 200],
'tags': ['保湿', '控油', '抗老', '美白', '滋润']
})
# 构建知识图谱
self.knowledge_graph = self._build_knowledge_graph()
def _build_knowledge_graph(self):
"""构建成分-功效-肤质知识图谱"""
G = nx.DiGraph()
# 添加产品节点
for _, product in self.product_features.iterrows():
G.add_node(product['product_id'], type='product', name=product['name'])
# 添加成分节点和关系
for ing in product['ingredients'].split(','):
G.add_node(ing, type='ingredient')
G.add_edge(product['product_id'], ing, relation='contains')
G.add_edge(ing, product['product_id'], relation='in')
# 添加肤质节点和关系
for skin in product['suitable_skin'].split(','):
G.add_node(skin, type='skin_type')
G.add_edge(skin, product['product_id'], relation='suitable_for')
# 添加功效节点和关系
for tag in product['tags'].split(','):
G.add_node(tag, type='effect')
G.add_edge(product['product_id'], tag, relation='has_effect')
return G
def collaborative_filtering(self, user_id, k=3):
"""基于用户的协同过滤"""
# 创建用户-产品矩阵
user_product_matrix = self.user_product_interactions.pivot_table(
index='user_id',
columns='product_id',
values='rating',
fill_value=0
)
# 计算用户相似度
user_similarity = cosine_similarity(user_product_matrix)
user_similarity_df = pd.DataFrame(
user_similarity,
index=user_product_matrix.index,
columns=user_product_matrix.index
)
if user_id not in user_similarity_df.index:
return []
# 找到最相似的k个用户
similar_users = user_similarity_df[user_id].sort_values(ascending=False)[1:k+1]
# 获取这些用户评分高的产品
recommendations = []
for similar_user, similarity in similar_users.items():
# 获取相似用户评分>4的产品
user_ratings = self.user_product_interactions[
(self.user_product_interactions['user_id'] == similar_user) &
(self.user_product_interactions['rating'] >= 4)
]
for _, row in user_ratings.iterrows():
# 排除用户已经交互过的产品
if not self.user_product_interactions[
(self.user_product_interactions['user_id'] == user_id) &
(self.user_product_interactions['product_id'] == row['product_id'])
].empty:
continue
recommendations.append({
'product_id': row['product_id'],
'score': row['rating'] * similarity,
'source': 'collaborative'
})
return recommendations
def content_based_filtering(self, user_profile, top_n=5):
"""基于内容的推荐"""
# 提取用户偏好特征
user_concerns = user_profile.get('concerns', [])
user_skin_type = user_profile.get('skin_type', '')
# 计算产品与用户需求的匹配度
recommendations = []
for _, product in self.product_features.iterrows():
score = 0
# 肤质匹配
if user_skin_type in product['suitable_skin']:
score += 3
# 问题匹配
product_concerns = product['tags'].split(',')
matched_concerns = set(user_concerns) & set(product_concerns)
score += len(matched_concerns) * 2
# 价格匹配(假设用户预算中等)
if user_profile.get('budget_level') == '中等' and 150 <= product['price'] <= 300:
score += 1
# 成分偏好(如果有)
if user_profile.get('prefer_natural', False):
natural_ings = ['甘油', '玻尿酸', '积雪草', '洋甘菊']
for ing in natural_ings:
if ing in product['ingredients']:
score += 0.5
if score > 0:
recommendations.append({
'product_id': product['product_id'],
'score': score,
'source': 'content'
})
return sorted(recommendations, key=lambda x: x['score'], reverse=True)[:top_n]
def knowledge_graph_recommendation(self, user_profile, top_n=5):
"""基于知识图谱的推荐"""
user_concerns = user_profile.get('concerns', [])
user_skin_type = user_profile.get('skin_type', '')
recommendations = []
# 从用户关注的问题出发,在图谱中寻找相关产品
for concern in user_concerns:
if concern in self.knowledge_graph.nodes():
# 找到有该功效的产品
for product_id in self.knowledge_graph.predecessors(concern):
if self.knowledge_graph.nodes[product_id]['type'] == 'product':
# 检查肤质是否匹配
skin_nodes = list(self.knowledge_graph.successors(product_id))
skin_types = [node for node in skin_nodes if self.knowledge_graph.nodes[node]['type'] == 'skin_type']
if user_skin_type in skin_types:
recommendations.append({
'product_id': product_id,
'score': 2.5,
'source': 'knowledge_graph'
})
# 去重
seen = set()
unique_recommendations = []
for rec in recommendations:
if rec['product_id'] not in seen:
seen.add(rec['product_id'])
unique_recommendations.append(rec)
return unique_recommendations[:top_n]
def hybrid_recommend(self, user_id, user_profile, weights={'collaborative': 0.4, 'content': 0.3, 'knowledge': 0.3}):
"""混合推荐"""
# 获取各来源的推荐
cf_recs = self.collaborative_filtering(user_id)
content_recs = self.content_based_filtering(user_profile)
kg_recs = self.knowledge_graph_recommendation(user_profile)
# 合并所有推荐
all_recommendations = {}
for rec in cf_recs:
pid = rec['product_id']
if pid not in all_recommendations:
all_recommendations[pid] = {'score': 0, 'sources': []}
all_recommendations[pid]['score'] += rec['score'] * weights['collaborative']
all_recommendations[pid]['sources'].append('协同过滤')
for rec in content_recs:
pid = rec['product_id']
if pid not in all_recommendations:
all_recommendations[pid] = {'score': 0, 'sources': []}
all_recommendations[pid]['score'] += rec['score'] * weights['content']
all_recommendations[pid]['sources'].append('内容匹配')
for rec in kg_recs:
pid = rec['product_id']
if pid not in all_recommendations:
all_recommendations[pid] = {'score': 0, 'sources': []}
all_recommendations[pid]['score'] += rec['score'] * weights['knowledge']
all_recommendations[pid]['sources'].append('知识图谱')
# 转换为列表并排序
final_recommendations = []
for pid, data in all_recommendations.items():
product_info = self.product_features[self.product_features['product_id'] == pid].iloc[0]
final_recommendations.append({
'product_id': pid,
'name': product_info['name'],
'score': data['score'],
'sources': data['sources'],
'price': product_info['price'],
'reason': f"基于{', '.join(data['sources'])}推荐"
})
return sorted(final_recommendations, key=lambda x: x['score'], reverse=True)
# 使用示例
if __name__ == "__main__":
system = HybridRecommendationSystem()
# 用户画像
user_profile = {
'user_id': 'U1',
'skin_type': '混合性',
'concerns': ['控油', '毛孔'],
'budget_level': '中等',
'prefer_natural': True
}
# 获取推荐
recommendations = system.hybrid_recommend('U1', user_profile)
print("=== 个性化推荐结果 ===")
for i, rec in enumerate(recommendations, 1):
print(f"{i}. {rec['name']} (¥{rec['price']})")
print(f" 推荐理由: {rec['reason']}")
print(f" 综合评分: {rec['score']:.2f}")
print()
三、AI驱动的智能客服与咨询
3.1 美妆领域专用聊天机器人
基于大语言模型微调的美妆顾问机器人,能够理解用户需求并提供专业建议。
技术实现:
- 使用RAG(检索增强生成)技术
- 结合美妆知识库
- 支持多轮对话和上下文理解
代码示例:
import json
import re
from typing import List, Dict, Any
class BeautyChatbot:
def __init__(self):
# 美妆知识库
self.knowledge_base = {
'肤质判断': {
'patterns': ['我是哪种肤质', '怎么判断肤质', '皮肤类型'],
'response': '我可以帮您分析肤质。请告诉我:1. 您的皮肤容易出油吗?2. 洗脸后是否紧绷?3. 是否容易泛红?'
},
'产品推荐': {
'patterns': ['推荐', '买什么', '哪个牌子好'],
'response': '为了更好地推荐,我需要了解:1. 您的肤质?2. 想解决什么问题?3. 预算范围?'
},
'使用方法': {
'patterns': ['怎么用', '使用顺序', '步骤'],
'response': '基础护肤顺序:1. 洁面 2. 爽肤水 3. 精华 4. 乳液/面霜 5. 防晒(白天)'
},
'成分问题': {
'patterns': ['成分', '含什么', '有酒精吗'],
'response': '我可以查询产品成分。请告诉我具体产品名称或成分名。'
}
}
# 成分知识库
self.ingredients_db = {
'玻尿酸': {'功效': '保湿', '适合': '所有肤质', '注意事项': '需配合锁水产品'},
'视黄醇': {'功效': '抗老', '适合': '耐受性皮肤', '注意事项': '夜间使用,需防晒'},
'烟酰胺': {'功效': '美白控油', '适合': '油性/混合性', '注意事项': '建立耐受'},
'水杨酸': {'功效': '去角质', '适合': '油性/痘痘肌', '注意事项': '避免与其他酸类叠加'}
}
# 对话历史
self.conversation_history = {}
def analyze_intent(self, message: str) -> str:
"""分析用户意图"""
message_lower = message.lower()
for intent, data in self.knowledge_base.items():
for pattern in data['patterns']:
if pattern in message_lower:
return intent
# 默认意图
if any(word in message_lower for word in ['你好', 'hi', 'hello']):
return 'greeting'
elif any(word in message_lower for word in ['谢谢', '感谢']):
return 'thanks'
else:
return 'general'
def extract_entities(self, message: str) -> Dict[str, List[str]]:
"""提取实体信息"""
entities = {
'skin_type': [],
'concerns': [],
'ingredients': [],
'products': []
}
# 肤质关键词
skin_types = ['干性', '油性', '混合性', '敏感性', '中性']
for st in skin_types:
if st in message:
entities['skin_type'].append(st)
# 问题关键词
concerns_map = {
'痘痘': '痘痘', '出油': '出油', '毛孔': '毛孔',
'干燥': '干燥', '暗沉': '暗沉', '皱纹': '皱纹',
'泛红': '泛红', '敏感': '敏感'
}
for key, value in concerns_map.items():
if key in message:
entities['concerns'].append(value)
# 成分关键词
for ing in self.ingredients_db.keys():
if ing in message:
entities['ingredients'].append(ing)
# 产品名称(简单匹配)
product_keywords = ['精华', '面霜', '乳液', '口红', '粉底']
for keyword in product_keywords:
if keyword in message:
entities['products'].append(keyword)
return entities
def generate_response(self, message: str, user_id: str = 'default') -> str:
"""生成回复"""
# 记录对话历史
if user_id not in self.conversation_history:
self.conversation_history[user_id] = []
# 分析意图
intent = self.analyze_intent(message)
entities = self.extract_entities(message)
# 根据意图生成回复
if intent == 'greeting':
response = "您好!我是您的美妆AI顾问,有什么可以帮助您的吗?"
elif intent == '肤质判断':
if entities['skin_type']:
response = f"根据您的描述,您可能是{'、'.join(entities['skin_type'])}肤质。"
else:
response = self.knowledge_base['肤质判断']['response']
elif intent == '产品推荐':
if entities['concerns'] and entities['skin_type']:
concerns = '、'.join(entities['concerns'])
skin = entities['skin_type'][0]
response = f"针对{skin}肤质的{concerns}问题,我建议:\n"
# 简单推荐逻辑
if '出油' in entities['concerns']:
response += "1. 含有水杨酸或烟酰胺的控油产品\n"
if '干燥' in entities['concerns']:
response += "2. 含有玻尿酸或神经酰胺的保湿产品\n"
if '痘痘' in entities['concerns']:
response += "3. 含有积雪草或茶树精油的舒缓产品\n"
response += "建议您先试用小样,观察皮肤反应。"
else:
response = self.knowledge_base['产品推荐']['response']
elif intent == '成分问题':
if entities['ingredients']:
ing = entities['ingredients'][0]
if ing in self.ingredients_db:
info = self.ingredients_db[ing]
response = f"【{ing}】\n"
response += f"功效: {info['功效']}\n"
response += f"适合肤质: {info['适合']}\n"
response += f"注意事项: {info['注意事项']}"
else:
response = f"暂无{ing}的详细信息。"
else:
response = "请告诉我您想查询的成分名称。"
elif intent == 'thanks':
response = "不客气!如果还有其他美妆问题,随时问我哦~"
else:
response = "抱歉,我可能没理解您的问题。您可以尝试:\n"
response += "- 询问肤质判断\n"
response += "- 描述皮肤问题求推荐\n"
response += "- 查询成分功效\n"
response += "- 了解护肤步骤"
# 记录对话
self.conversation_history[user_id].append({
'user': message,
'bot': response,
'intent': intent,
'entities': entities
})
return response
def get_conversation_summary(self, user_id: str) -> str:
"""获取对话总结"""
if user_id not in self.conversation_history:
return "暂无对话记录"
history = self.conversation_history[user_id]
summary = f"共{len(history)}轮对话\n"
# 提取关键信息
skin_types = set()
concerns = set()
for turn in history:
entities = turn['entities']
skin_types.update(entities['skin_type'])
concerns.update(entities['concerns'])
if skin_types:
summary += f"识别肤质: {', '.join(skin_types)}\n"
if concerns:
summary += f"关注问题: {', '.join(concerns)}\n"
return summary
# 使用示例
if __name__ == "__main__":
bot = BeautyChatbot()
# 模拟对话
messages = [
"你好",
"我是混合性皮肤,容易出油和长毛孔,应该用什么产品?",
"玻尿酸有什么作用?",
"谢谢"
]
print("=== 美妆AI顾问对话演示 ===\n")
for msg in messages:
print(f"用户: {msg}")
response = bot.generate_response(msg, "user001")
print(f"AI顾问: {response}\n")
# 查看对话总结
print("=== 对话总结 ===")
print(bot.get_conversation_summary("user001"))
四、实际应用案例与效果分析
4.1 国际品牌应用实例
欧莱雅集团:
- ModiFace:收购的AR试妆技术,支持1000+产品虚拟试用
- Perso:AI驱动的个性化护肤品配方设备
- 效果:线上转化率提升3倍,用户停留时间增加5倍
雅诗兰黛:
- AI粉底匹配系统:通过照片分析肤色、肤质,推荐匹配色号
- 效果:退货率降低40%,客户满意度提升35%
4.2 新兴品牌创新应用
Glossier:
- 利用AI分析社交媒体数据,洞察Z世代美妆趋势
- 基于用户UGC内容生成个性化推荐
- 效果:复购率提升60%,客单价增加45%
Function of Beauty:
- AI驱动的洗发水定制
- 用户填写问卷后,机器现场调配
- 效果:年销售额突破1亿美元,用户留存率75%
