Unverified90% confidenceDecision RuleTime unknown
日常上下学、树荫下活动选SPF30/PA+++足够；海边、雪山、长时间户外暴晒选SPF50+/PA++++，SPF50+相比SPF30实际防护提升有限但配方更厚重
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Unverified日常上下学/短时户外选SPF30 PA+++足够；海边/高原/长时间暴晒选SPF50+ PA++++，PA等级决定UVA防护（防晒黑防光老化），SPF只管UVB（防晒伤）89% similarUnverified日常上下学、树荫下活动选SPF15-30/PA++即可；海边、雪地、正午长时间暴晒需SPF50/PA+++以上88% similarUnverified日常上下学、短时户外选SPF30 + PA+++即可；海边/高原/雪地/长时间暴晒选SPF50+ 且标注PA++++，兼顾UVB和UVA防护87% similarUnverified日常上下学、室内活动为主选SPF15-30/PA++即可；海边、雪山、长时间户外活动才需SPF50/PA+++，SPF过高的物理防晒白残留和厚重感更明显87% similar
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