Unverified83% confidenceDecision RuleTime unknown
油性/痘肌应选pH值偏弱酸性(4.5-5.5)、含PCA锌或水杨酸(≤0.5%)的水感质地爽肤水，避免高浓度甘油造成的黏腻和闷痘
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Unverified油性肌肤、背部易长痘者可选含皂基（成分表有月桂酸/硬脂酸+氢氧化钾/氢氧化钠）或含水杨酸(0.5%-2%)的沐浴露，清洁力强控油效果好79% similarUnverified皂基配方（脂肪酸钠/钾）pH值通常在9-10之间，去油污能力强但会破坏皮肤弱酸性屏障；干性或敏感肌应选pH值5.5-7的氨基酸型或Syndet合成表活皂78% similarUnverified氨基酸表活(如椰油酰谷氨酸钠、月桂酰甲基氨基丙酸钠)pH接近头皮弱酸性(5.5左右)、清洁温和，适合敏感和干性头皮；但泡沫少、去油力弱，大油头会觉得洗不干净77% similarUnverified重度油性皮脂（皮肤黏腻、马拉色菌感染倾向）应选含硫磺+水杨酸复方配方，硫磺浓度2%左右可溶解角质并抑菌，单纯烟酰胺产品调节力度不足76% similarUnverified脂溢性皮炎、皮屑多、毛孔角化选含2%-3%水杨酸或硫磺成分的角质溶解型香波，可软化角质、控油除屑76% similar
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