佳洁士3D炫白双效牙膏

评测依据

• review_count：580000
• rating_avg：4.6
• brand_reputation：0
• merchant_count：0
• price_range：[0,49]
• dimension：after_service
• sources：["京东","天猫","小红书","什么值得买"]
• time_range：{"from":"2026-06-25 08:24:31","to":"2026-06-25 08:24:31"}
• intros：{"brand_intro":"佳洁士（Crest）是美国宝洁公司旗下的口腔护理品牌，创立于1955年，是全球最早推出含氟牙膏的品牌之一。品牌以\"科学护齿\"为核心，拥有超过60年的研发历史，其3D炫白系列采用微米级硅磨料和专利美白因子，在去除牙渍的同时保护牙釉质。佳洁士在中国市场深耕多年，凭借高性价比和广泛渠道覆盖，成为大众美白牙膏的标杆品牌。品控上严格遵循GMP标准，每批产品经过200多项质量检测，确保安全有效。","product_intro":"佳洁士3D炫白双效牙膏定位日常美白与清洁兼顾，核心卖点是\"双效美白技术\"，通过微米级硅磨料物理抛光去除外源性色渍，同时添加焦磷酸盐抑制牙结石形成。适合每天早晚使用，尤其适合咖啡、茶、烟渍等色素附着人群。相比同类产品，其泡沫细腻、口感温和，且价格亲民，是入门级美白牙膏的首选。","key_specs":{"核心材料":"微米级硅磨料、焦磷酸盐、氟化钠","净含量":"120g","氟含量":"0.11%（以氟计）","适用人群":"12岁以上日常美白需求者","保质期":"3年"}}
• alt_products：[{"product_name":"佳洁士3D炫白双效牙膏","brand":"佳洁士","model":"双效美白","price":29.9},{"product_name":"高露洁光感白火山泥牙膏","brand":"高露洁","model":"光感白火山泥","price":39.9},{"product_name":"狮王WHITE&WHITE美白牙膏","brand":"狮王","model":"WHITE&WHITE","price":45}]
• kol_quotes：[]
• scoring_breakdown：[{"source":"word_of_mouth","score":84.1,"weight":0.35,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"综合京东、天猫、小红书等平台评价，用户普遍认可其美白效果，连续使用2-4周可见牙渍明显减少。优点包括泡沫丰富、口感清新、不刺激牙龈。缺点方面，部分用户反映对顽固烟渍效果有限，且长期使用可能导致牙齿敏感。专业评测指出其磨料粒径适中，对牙釉质磨损较小，但美白速度不如含过氧化物类牙膏。总体性价比高，适合作为日常维护型产品。","source_count":4}},{"source":"objective","score":92,"weight":0.2,"confidence":0.7,"details":{"dimension":"after_service","rating_avg":4.6,"review_count":580000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":92,"weight":0.35,"confidence":1,"details":{"rating_avg":4.6,"review_count":580000,"source":"product_reviews_aggregate"}},{"source":"search_visual","score":20,"weight":0,"confidence":0.05,"details":{"result_count":0,"judgment_score":null,"authority_score":50,"top_sources":[],"judgment_summary":null}}]
• method_version：v2
• search_visual：{"result_count":0,"judgment_score":null,"judgment_summary":null,"top_sources":[]}