How to treat less gray hair

Less white hair is mainly caused by genetics, vitamin B deficiency or trace element deficiency. You need to go to the hospital dermatology department to check the cause, and take appropriate medication for the cause. If it is caused by vitamin B deficiency, you can take vitamin B medication. At the same time, you need to eat more peach, black sesame, black jujube, black fungus and other foods in your diet.