Unverified80% confidenceDecision RuleTime unknown
皂基类香皂片pH值多在9-10偏碱性,仅适合手部清洁;用于面部应选氨基酸表活型(pH 5.5-7),成分表首位为月桂酰谷氨酸钠等而非硬脂酸钠
1
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80%
Confidence
Long-term
Relevance
-
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Unverified洁面用皂应选pH接近中性(5.5-7)的氨基酸皂或syndet合成洗涤块,传统碱性皂(pH9-10)长期洁面易破坏皮脂膜,仅适合身体清洁90% similarUnverified选购洗发皂优先看是否标注pH值5.5-6.5弱酸性,传统冷制皂多为pH8-10碱性,长期使用会破坏头皮酸性保护膜导致干枯毛躁89% similarUnverified选择皂基类洗发皂时,配料表前几位含'皂'字(如硬脂酸钠、月桂酸钠)的偏碱性(pH8-10),干性/受损发质应改选SCI(椰油酰羟乙磺酸钠)等表活型洗发皂,pH更接近5.5-788% similarUnverifiedSCI(月桂酰基羟乙磺酸酯钠)为主料的表活型洗发皂pH接近5.5-6.5,温和不涩,干性和中性发质应优先选此类而非传统皂基80% similarUnverified查看成分表前5位若出现'月桂酸/肉豆蔻酸/棕榈酸' + '氢氧化钾/氢氧化钠'组合,即为皂基洁面,清洁力强但偏碱性(pH约9-10),干敏皮长期用易破坏屏障80% similar
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