Unverified85% confidenceDecision RuleTime unknown
选购时看清是否为即用型（免稀释）还是浓缩液：浓缩双氯苯双胍己烷（氯己定）原液常为2%-4%，用于伤口需稀释至0.05%，未稀释直接用会刺激；家庭日常护理优选标注浓度的即用型喷雾
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Unverified有效氯含量选择：日常家居消毒选5.5%-6.5%浓缩型按1:100稀释即可；医院/传染源消毒需2%-2.5%作用浓度（约按1:20稀释）。标签标注有效氯≥4%才是合格的84原液，低于4%多为兑水稀释产品82% similarUnverified开放性伤口或术后护理应选择氯己定（洗必泰）浓度0.05%-0.5%的喷雾，浓度＞2%会刺激伤口延缓愈合；日常清洁选0.05%即可82% similarUnverified凝胶型除霉剂有效氯浓度通常在5%-8%之间，浓度越高作用时间越短但对美缝腐蚀风险越高；家用建议选5%左右浓度并控制作用时间在30分钟内80% similarUnverified84消毒液有效氯含量≥5%（即50g/L）为合格标准，家用日常消毒选择有效氯2.5%-5.5%区间的产品，浓度过高需更大稀释比反而易残留刺激79% similarUnverified含氯己定（洗必泰）浓度0.05%-0.2%的促愈膏抗菌效果好且低毒，浓度＞0.5%可能刺激创面延缓愈合，选购时看成分表标注浓度79% similar
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