Unverified88% confidenceTradeoffTime unknown
DEET浓度越高防护时间越长但对皮肤刺激和塑料腐蚀性也越强，日常城市通勤选10-15%，热带丛林重度环境才需30%以上
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88%
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Long-term
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Unverified浓度与持续时间权衡：高浓度DEET(50%+)防护更持久但皮肤刺激大、气味重，日常城市及短途出行20-30%已足够，无需追求高浓度82% similarUnverified浓度越高持续时间越长但皮肤刺激和气味风险越大——日常城市通勤/短时户外用10-15%足够，长时间野外或疾病流行区才需20-30%78% similarUnverified浓度越高防护越久但皮肤刺激和气味越重：城市通勤用10-15%低浓度（3-4小时）足够，户外全天暴露才需要30%以上并配合补涂77% similarUnverified驱蚊时效与皮肤附着性成反比：浓度越高时效越长但越粘腻厚重；日常城市活动选10-15%浓度勤补涂，比高浓度一次涂满体验更好73% similarUnverified如果只是城市公园或短时间户外（1-2小时），该产品属于过度防护，选择10-20% DEET或派卡瑞丁产品即可满足需求且肤感更好70% similar
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