Unverified85% confidenceDecision RuleTime unknown
皂垢（肥皂+硬水形成的黏腻残留）呈碱性偏中性，需靠表面活性剂+弱酸溶解，纯酸性除垢剂对皂垢效果有限，选标注'皂垢soap scum'的复配型更有效
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85%
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Long-term
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Unverified皂垢(soap scum)本质是钙镁皂+皮脂混合物，需用弱酸性(pH3-5)含柠檬酸/乳酸的清洁剂溶解；而水垢(碳酸钙)需要更强酸性(pH2-3)，二者用碱性清洁剂效果差88% similarUnverified皂基洗发皂遇硬水（钙镁离子高）易生成皂垢附着头皮，出行地水质偏硬时建议改用SCI表活型或冲洗后用柠檬酸/醋水做酸性收尾84% similarUnverified弱酸性洁肤皂遇水易软化，保存需干燥沥水，潮湿环境下氨基酸皂比传统皂更易发霉变质，浴室内建议放通风皂盒并避免长期泡水84% similarUnverified去污力越强的皂通常pH偏碱性（8-10）且脱脂力强，硬水环境下易起皂垢冲洗困难；野外硬水/冷水条件建议选低泡浓缩液皂而非皂基硬皂83% similarUnverified透明皂/水晶皂含较多甘油和水分，去污偏温和、易软化耗损快；不透明白皂皂基纯度高、去污强、耐用度好，二者按需求选83% similar
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