Ultraviolet penetration ability is strong, can reach the dermis, the skin tanned, very harmful to the skin, even in the non-summer period, although the intensity of ultraviolet light is weak, it still exists, but long time accumulation is easy to make skin injury, melanin precipitation, skin aging and relaxation problems
Sunscreen is generally required to be applied evenly and reapplied in time. If it is used improperly, even a product with a nominal high-power sunscreen may not be able to exert much protection.
 So women who want to be beautiful must wear sunscreen every day