He suggests choosing a broad-spectrum sunscreen, which blocks both types of UV rays, UVA and UVB, with an SPF of at least 30.
选择一款能够阻挡UVA和UVB两种射线的广谱防晒产品吧，切记SPF值要至少达到30以上。
SPF 30 sunscreen protects skin against damaging UVA and UVB rays. Vitamin E and Pro-Vitamin B5 formula helps protect skin from environmental damage caused by free radicals.
SPF30 的防晒值，抵御UVA和UVB，维他命E和维他命原B5，帮助保护皮肤免受环境污染造成的自由基损害。
The minerals also contain natural SPF to protect against UVB and UVA rays, they replace the skins natural keratin layer that is so important as a defence against bacteria and UV rays.
矿物也含有天然的SPF，以防止紫外线和长波紫外线照射，他们取代皮肤的天然角蛋白层，是如此的重要，作为抵御细菌和紫外线。
The minerals also contain natural SPF to protect against UVB and UVA rays, they replace the skins natural keratin layer that is so important as a defence against bacteria and UV rays.
矿物也含有天然的SPF，以防止紫外线和长波紫外线照射，他们取代皮肤的天然角蛋白层，是如此的重要，作为抵御细菌和紫外线。
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