Unverified85% confidenceDecision RuleTime unknown
含水杨酸(BHA)的祛痘泥膜浓度应控制在0.5%-2%之间，超过2%属于院线换肤级别，家用会灼伤角质；2%浓度已足够溶解毛孔油脂栓
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85%
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Long-term
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Unverified油痘肌、黑头闭口选水杨酸(BHA)，因其亲脂性可深入毛孔溶解油脂栓，家用浓度0.5-2%即有效；2%已是OTC上限85% similarUnverified闭口粉刺和黑头为主选水杨酸(BHA)浓度0.5%-2%，其脂溶性可深入毛孔溶解角栓；日常维稳用2%已足够，敏感肌从0.5%起步81% similarUnverified含水杨酸（BHA）0.5%-2%的头皮泥膜可溶解毛囊角栓，适合头皮易长痘、毛孔堵塞人群，但每周使用不超过2次，与其他去角质产品叠加易造成屏障受损80% similarUnverified水杨酸（BHA）点涂适合闭口/黑头等非炎性粉刺，浓度2%为常规上限；对已经红肿化脓的炎性痘效果远不如BPO79% similarUnverified水杨酸(BHA)1-2%祛痘产品脂溶性可深入毛孔，适合油皮和黑白头，比过氧化苯甲酰刺激性低，适合日常维稳预防长痘78% similar
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