Unverified90% confidenceDecision RuleTime unknown
认准包装标注"broad spectrum（广谱）"或同时标注UVA/UVB防护，仅标SPF只防UVB，UVA才是导致晒黑和皮肤深层损伤的主因
1
Sources
90%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Related Claims
Unverified认准'Broad Spectrum'(广谱)标识才能同时防护UVA和UVB，只标SPF而无PA或广谱标识的产品仅防UVB（晒伤），不防UVA（晒黑、皮肤老化及深层损伤）91% similarUnverified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85% similarUnverifiedUPF50+为防紫外线最高档位标注，意味着在正常覆盖状态下对UVA/UVB有较强阻隔；但防晒效果以面料完整覆盖皮肤为前提，袖套滑落则失效。84% similarUnverified认准防晒必须同时具备UVA（PA或欧标UVA圆圈标识/宽谱broad spectrum）和UVB（SPF）双重防护，只标SPF不防UVA的产品无法防晒黑和光老化84% similarUnverified选购认准通过美国FDA或欧盟标准、标注broad spectrum（广谱，同时防UVA和UVB）的产品，仅标SPF不标PA或broad spectrum的产品只防晒伤不防晒黑晒老82% similar
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