scoring_breakdown:[{"source":"word_of_mouth","score":90.79999999999998,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍反馈Toppik纤维粉效果立竿见影,能瞬间让稀疏区域变得浓密,自然度很高,近距离也看不出假发感。防水性能优秀,出汗或小雨天不会脱落。部分用户指出需要配合定型喷雾才能维持一整天,且初次使用需少量多次避免结块。色号选择丰富,但建议根据发色仔细匹配。总体满意度高,复购率超过60%。","source_count":3}},{"source":"objective","score":92,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.6,"review_count":28500,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":92,"weight":0.25,"confidence":1,"details":{"rating_avg":4.6,"review_count":28500,"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":["@发型师Tony:Toppik是业内公认的纤维粉标杆,自然度吊打同类产品。","@美妆博主小A:喷上它发量瞬间翻倍,拍照再也不用P发际线了!"]}}]