What reason is neck black

summary

Many people are very strange, that is, they find that their neck has become black, and they are not in the sun. What's the matter? Now I will introduce to you what is the cause of black neck.

What reason is neck black

Reason 1: in the course of time, the skin may become thin and white. When the skin is thin, white and often used to eat vegetables and fruits, it may be that the melanin is used to be used.

Reason 2: endocrine disorder. It is suggested that the best treatment is to check in hospital in time

Reason 3: the neck around the black, consider the possibility of melanin, suggest a light diet, supplement vitamins, local skin hygiene, can apply whitening skin care products

matters needing attention

Generally, the neck is blacker than other parts of the body. If it is not obvious, it should not be a big problem, but if it is obvious, it may be a kind of disease and need to go to the hospital for examination and treatment