The acne on the arm is chicken skin. Chicken skin is medically called fillet disease, which is a hereditary skin disease. The patient has no feeling, but it will affect the appearance. Generally, it is heavy in winter and light in summer.

Suggestion:

It is suggested that moisturizing cream can be used at ordinary times, which can reduce the occurrence of dry skin and goose skin, and can also improve the skin through diet. It is suggested that oral nata whitening tea combined with vitamin A can regulate skin metabolism, promote skin self-repair, eliminate pigmentation and other spots caused by fillet disease, and make skin fair and healthy. Many patients have good results, so you can look for them on Taobao.