[KongchangAI]
Unverified85% confidenceTradeoffTime unknown

美白见效速度与温和度呈反比:纯VC/高浓度烟酰胺见效快但刺激大,VC衍生物(VC乙基醚、SAP、MAP)和氨甲环酸温和但需8-12周才见明显效果

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