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强烈的阳光叫漂亮女性害怕,因为阳光中过量的紫外线令肌肤干燥粗糙、弹性减弱、产生皱纹。这时,防晒成为必需,不过,你知道如何正确选择防晒化妆品吗?通常的防晒化妆品都标有SPF值,即防晒系数,SPF的高低,意味着防晒效果的强弱,如SPF_(15)表示可以阻隔14/15的中波紫外线,同样SPF_8可阻隔7/8中波紫外线,一般认为SPF值愈高,防晒效果就越强,反之则弱。但是日
Strong sunlight called beautiful women afraid, because the sun’s excessive ultraviolet rays make the skin dry and rough, elasticity weakened, wrinkles. At this time, sunscreen has become necessary, but you know how to choose the right sunscreen cosmetics? Usually sunscreen cosmetics are marked SPF value, the sun protection factor, SPF level, which means the strength of the sun protection effect, such as SPF_ (15) said Can block the 14/15 UVB, the same SPF_8 can block 7/8 UVB is generally believed that the higher the SPF value, the stronger the sun protection effect, otherwise the weak. But the day