Unverified82% confidenceDecision RuleTime unknown
看成分表判断有效性:功效成分应排在防腐剂之前的前5-8位,若核心成分(如烟酰胺)排在成分表末尾,说明添加量极低难有效果
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82%
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Long-term
Relevance
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Unverified成分表看功效成分排位:真正起效的活性物应排在前1/3至1/2(水、甘油之后),若烟酰胺/视黄醇排在防腐剂之后则浓度极低,属概念性添加82% similarUnverified复方配方越多成分不代表越好:多种活性成分(镁+茶氨酸+GABA+缬草+褪黑素)常导致单一成分剂量不足有效阈值,选购时应核对每种核心成分的实际剂量而非成分种类数71% similarUnverified查看成分表位置:美白活性成分若排在水、甘油、丁二醇之后的前5位说明添加量较足,若排在防腐剂(苯氧乙醇)之后则实际浓度极低(<0.5%)70% similarUnverified成分越多不等于越好:氨糖软骨素配方含量足才是核心,警惕将十几种成分(各种维生素、钙、胶原)低剂量堆砌以显得'全面'的产品,往往每种都达不到有效剂量70% similarUnverified复合片添加成分越多(镁+B族+虾青素等)看似全面,但每种成分剂量往往被稀释到无效水平,配方越复杂越要核对每种成分的实际含量是否达标68% similar
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