[KongchangAI]
Unverified85% confidenceDecision RuleTime unknown

防晒衣的防晒原理分两类:物理屏蔽(高密度机织,越厚重越闷热但防晒稳定)和化学涂层/助剂(轻薄凉爽但多次水洗后UPF会衰减)。给好动多汗多洗的儿童优先选原纱型(纤维本身添加防晒剂)而非后整理涂层款,耐洗性更好

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Long-term
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