intros：{"brand_intro":"Alpecin是德国知名防脱发品牌，成立于1930年，隶属于德国Dr. Wolff集团。品牌以'咖啡因防脱'为核心技术，拥有全球首个将咖啡因用于头皮护理的专利。Alpecin坚持'德国制造'的严谨品控，所有产品经过皮肤科测试，并符合欧盟化妆品标准。创始人Dr. August Wolff是一名药剂师，最初研发了针对男性脱发的药用洗发水，后发展为大众消费品。品牌在德国市场占有率超过40%，被誉为'国民防脱品牌'。","product_intro":"Alpecin C1咖啡因洗发水定位大众市场，核心卖点是高浓度咖啡因（约2%）直接作用于毛囊，抑制DHT。产品适用于日常防脱护理，尤其适合男性雄激素性脱发初期。相比精华液，其优势在于使用方便，洗头即护理，适合懒人。配方含锌和烟酸，能强化发根并控油。质地为蓝色啫喱，带有清凉薄荷感，洗后头皮清爽。","key_specs":{"核心成分":"2%咖啡因+锌+烟酸+薄荷醇，防脱同时控油止痒","容量":"250ml","适用人群":"男性脱发人群，尤其适合油性头皮和雄激素性脱发","使用频率":"每日或隔日使用，按摩头皮2分钟后冲洗","质地":"蓝色啫喱，薄荷清凉感","保质期":"未开封3年，开封后12个月内用完"}}
scoring_breakdown：[{"source":"word_of_mouth","score":77.6,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户评价数量庞大，但口碑分化。优点：价格极低，性价比高；使用方便，替代普通洗发水；控油效果明显，适合油头；清凉感舒适。缺点：防脱效果因人而异，约40%用户反馈无明显改善；对已脱发区域无效，仅适合预防；部分用户反映洗后发丝干涩，需配合护发素；香味较浓，类似男士古龙水。专业评测指出，咖啡因在洗发水中停留时间短，效果不如精华液，但长期使用可延缓脱发进程。","source_count":4}},{"source":"objective","score":88.00000000000001,"weight":0.1,"confidence":0.7,"details":{"dimension":"after_service","rating_avg":4.4,"review_count":120000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":88,"weight":0.25,"confidence":1,"details":{"rating_avg":4.4,"review_count":120000,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["抖音测评博主@老爸测评：Alpecin性价比很高，适合作为日常防脱入门，但别指望立竿见影。","小红书博主@秃头少女自救指南：控油效果一流，防脱效果一般，适合油头星人。"]}}]