No matter when ultraviolet rays are always present, the main factor that causes skin aging is ultraviolet rays, so apply sunscreen or wear a sun hat and umbrella half an hour before going out every day.
Whenever UV rays are present, the main cause of skin aging is UV rays, so apply sunscreen or wear sun hats and parasols half an hour before you go out every day.
No matter when ultraviolet rays exist all the time, the main factor causing skin aging is ultraviolet rays, so half an hour before going out every day, you should apply sunscreen or wear a sunshade cap and umbrella.<br>