Unverified85% confidenceDecision RuleTime unknown
持效约8小时、DEET浓度适中，适合徒步、露营等长时间户外场景；日常城市短时出行用DEET更低浓度产品即可满足需求
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified持效时长约6小时，短于高浓度DEET产品（可达8-12小时），长时间户外活动（如全天徒步）需补喷，介意频繁补涂者慎选。85% similarUnverified户外露营/林区活动优先选DEET浓度20-30%的缓释瓶，持效6-8小时；浓度＞30%边际防护提升有限反而刺激皮肤，＜10%仅适合城市短时通勤79% similarUnverified持效时长约6小时，短于高浓度DEET或派卡瑞丁产品，长时间户外活动需频繁补涂77% similarUnverified持效时间短（约1-2小时），户外活动需频繁补涂，使用便利性低于含DEET或派卡瑞丁的长效产品70% similarUnverified驱蚊有效时长约2-4小时，户外长时间活动（如露营、徒步）需频繁补涂，对长效需求场景不够便利70% similar
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