The prevention and treatment of skin photoaging

Human skin exposed to the daily sunlight from the ultraviolet UV radiation.Its long-term radiation can lead to Photoaging.In recent years air pollution caused thinning of the ozone layer,more ultraviolet radiation through the atmosphere,which increase the skin damage.skin-aging is closely related to a variety of skin diseases and skin cancer. Therefore, prevention and treatment of skin-ageing is necessary. With the further understanding of the photoaging,its prevention and treatment methods have also been made great progress