防晒剂

Sunscreen

论述了阳光对皮肤造成的伤害。指出UVA是引起人类皮肤老化的主要原因,而UVB则是导致皮肤晒伤,皮肤出现红斑的主要原因。介绍了防晒剂的主要成分,防晒剂的分类以及防晒指数,并对防晒剂的选择及使用进行了详细介绍。

The harms to human skin coming from sun were related. It is pointed out that UVA is the main cause of skin aging for the human skin, while UVB is the main cause of resulting in skin sunburn and skin erythema. The main ingredients formulated in sunscreens, the sorts and the SPF of sunscreens are introduced, and the choose, the usage of sunscreens are also introduced in detail.