scoring_breakdown:[{"source":"word_of_mouth","score":91.39999999999999,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"利尻昆布在天然染发领域口碑极佳,小红书和京东好评率高达97%。优点:1)完全无刺激,敏感头皮用户反馈使用过程无任何不适;2)气味清新,像海藻味,染发过程舒适;3)染后发质柔亮,不干枯。缺点:1)价格较高,单次成本约50-80元,是化学染发剂的2-3倍;2)上色时间较长,且对粗硬白发覆盖力稍弱,需多次涂抹;3)色号选择少,深色系偏多,不适合追求时尚发色者。专业评测(如日本cosme大赏)指出其成分安全性为顶级,但遮盖力不如化学染发剂。用户普遍认为\"为了健康,愿意多花时间和金钱\"。","source_count":4}},{"source":"objective","score":94,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.7,"review_count":65000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":94,"weight":0.25,"confidence":1,"details":{"rating_avg":4.7,"review_count":65000,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.15,"confidence":0.4,"details":{"kol_count":2,"scored_count":2,"matched_count":0,"base_score":82,"weighted_score":80,"sample":[{"source":"小红书护肤博主@敏感肌小C","quote":"利尻昆布是我唯一敢用的染发剂,头皮一点不痒,染完头发还有光泽,贵但值。"},{"source":"抖音测评达人@老爸测评","quote":"成分表非常干净,没有争议性化学物质,适合孕妇和敏感人群,但遮盖力需要耐心。"}]}}]