Some people’s skin is naturally precipitated with melanin. If you go to a medical beauty salon for laser treatment, it can only last for a period of time. After the body metabolizes, melanin will still precipitate on the skin in various parts of the body. There are also drugs that can inhibit pigmentation, just like estrogen can make men. Even if you don’t grow a beard, taking any kind of medicine for a long time will disrupt the endocrine system. Even cold medicine cannot be taken for a long time, right? Some people avoid ultraviolet rays and their skin will not turn white. Some people will only get sunburned but not darken at all. It’s unreasonable. You don’t have to bear too much of a psychological burden. Don’t eat foods similar to soy sauce to make the skin’s melanin deposit deeper. You must understand that skin is injured. The scar will turn purple after eating too much soy sauce. This is the same reason