Unverified85% confidenceDecision RuleTime unknown

PA+++以上（对应PPD≥8）才能有效防止长波UVA导致的晒黑和光老化，仅关注SPF而PA低的产品无法防晒黑

1

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85%

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Long-term

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Related Entities

防晒喷雾category

Related Claims

Unverified选购防晒粉饼优先看SPF50+ PA++++且标注广谱(broad spectrum)，PA等级对应UVA防护决定防晒黑与光老化能力，仅有高SPF而PA低于+++的不建议入手86% similar Unverified认准防晒霜需同时具备UVA(PA值)和UVB(SPF值)防护即'广谱/broad spectrum'，只标SPF而无PA或broad spectrum的产品对长波UVA防护不足，无法防晒黑防老化82% similar

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