Unverified82% confidenceDecision RuleTime unknown
化学防晒需在涂抹后15-20分钟成膜后再出门才生效，出门前临时涂等于无防护；物理防晒涂抹即时生效但需均匀。补涂时应先用喷雾/纸巾清理旧防晒再补，直接叠涂效果差
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Unverified隔离霜若含物理防晒成分需在护肤后等待30秒-1分钟成膜再上妆，立即叠加粉底易搓泥86% similarUnverified防雾镀层为内层化学涂层，属消耗品，通常持续6-12个月；判断标准是不要用手指或毛巾擦拭内侧镜片，会直接破坏防雾层，只能清水冲洗+自然晾干79% similarUnverified清洁剂喷涂后需停留1-3分钟软化再擦，立即擦拭去污力大幅下降；焦糊污渍可延长至5-10分钟，配合温热内壁效果更佳78% similarUnverified防晒棒开封后成膜剂和活性成分会随时间氧化降解，开封12个月内用完，且高温存放（车内/暴晒）会导致膏体融化分层失效，需避光常温保存78% similarUnverified防雾涂层是消耗品，原厂内层防雾涂层通常3-6个月失效，且严禁用手擦拭镜片内侧（会刮掉涂层）；选购时优先看是否可后期补涂防雾剂，而非追求'永久防雾'宣传78% similar
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