Unverified85% confidenceDecision RuleTime unknown
判断皂基与否看pH值:皂基沐浴露pH普遍在8-10(偏碱),氨基酸/APG体系pH在5.5-7(接近皮肤弱酸性),敏感肌优先选pH≤7的产品
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Unverified低敏洗面皂优先选择pH值5.5-7的弱酸性至中性配方,传统皂基(脂肪酸钠/钾)pH普遍在9-10,对敏感肌和角质层破坏更大,选购时认准'氨基酸表活皂'或'Syndet合成皂'(如含Sodium Cocoyl Isethionate)90% similarUnverified皂基pH值普遍在9-10之间偏碱性,干敏肌应选pH≤9或标注'弱酸性/添加甘油'的产品;油痘肌可接受pH9.5-10的清洁力90% similarUnverified干性/敏感肌应选pH值5.5左右的弱酸性氨基酸沐浴露,避开成分表前三位含'钾/钠+脂肪酸盐'(皂基)的产品,后者pH普遍9-10会破坏皮脂膜81% similarUnverified弱酸性洗面奶的pH值应控制在5.0-6.5之间,与健康皮肤表面弱酸环境(pH4.5-6.0)匹配,避免破坏皮肤屏障;pH>7的皂基产品不属于真正的弱酸性81% similarUnverified含氨基酸表活的洁面理想pH在5.5-6.5弱酸性,接近皮肤天然pH,可维护酸性保护膜;皂基产品因原理限制无法做到弱酸性81% similar
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