Under these conditions their high concentrations of natural sunscreen probably proved detrimental.

在这类条件下,他们皮肤里高浓度的天然防晒剂,也许反而有碍健康.

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Avoid irritants : using oily or greasy makeup, sunscreens and hair products can make spots worse.

使用油质化妆品 、 油质防晒剂和油性护发产品均可导致斑疹恶化.

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The adverse effects seemed to happen only when UV rays sunscreen that had penetrated the skin.

似乎只有当UV射线接触渗入皮肤的防晒剂时,才会引起这些不良反应.

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Regarding study of sun protection as regulations, usage, formulation and UV absorption et al were presented.

介绍了防晒剂的相关规定 、 使用方法 、 配方及潜在紫外线吸收剂的研制等.

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