Unverified90% confidenceDecision RuleTime unknown
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
1
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90%
Confidence
Long-term
Relevance
-
First Seen
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Related Claims
Unverified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97% similarUnverified选广谱防护broad spectrum（同时防UVA和UVB），只标SPF不标PA/UVA的产品防护不全；PA值代表UVA防护，UVA是导致晒黑和光老化的主因91% similarUnverified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）89% similarUnverified认准PA++以上或标注Broad Spectrum（广谱）标识，说明同时防护UVA（致晒黑老化）和UVB（致晒伤），仅标SPF只防UVB不够89% similarUnverified购买前查看是否标注'broad spectrum'(广谱)或同时有SPF和PA/UVA标识，仅有SPF只防UVB无法防UVA(致晒黑和光老化)89% similar
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