scoring_breakdown:[{"source":"word_of_mouth","score":90.79999999999998,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"综合各平台评价,该产品口碑极佳。优点方面:用户普遍认可其超长手柄带来的便利性,称\"终于能自己刷背了\";天然猪鬃毛的触感被形容为\"像被小猫舌头舔过\",去角质效果温和但有效;木质手柄在潮湿环境下不易发霉(需晾干)。缺点方面:部分敏感肌用户反馈初期使用有轻微刺痛感,建议先湿刷适应;刷毛在长期使用后会有少量脱落,属于天然材质正常现象;价格在同类国产品牌中偏高,但多数用户认为\"一把能用三年\"的耐用性值得投资。专业评测指出,其干刷对改善鸡皮肤和背部粉刺有显著效果,但需配合后续保湿。","source_count":4}},{"source":"objective","score":92,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.6,"review_count":85000,"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":85000,"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":["小红书护肤博主@小蛮蛮:'Muji这把刷子我用了三年,背上的痘痘全没了,比任何磨砂膏都管用。'","B站UP主@老爸测评:'实测猪鬃毛的摩擦力比塑料刷低30%,对皮肤屏障更友好。'"]}}]