There is pigment called melanocytes that determines the hair color. It is produced around your hair root area. If the cells that produce the melanocytes die, then your hair will turn into white. People usually have their first hair grey since the age of teen. The amount of the grey hair will be greater when you reach 30s. If, your grey hair is 50% of all when you get 40, then it’s called premature.
There are a lot of hair products that claim to be able to reverse the grey hair. However, the effectivity of the product must be proven. Most of them use he shou wu, chinese traditional herbal ingredient to recover the grey hair. Or, when your grey hair occurred due to vitamin B deficiency, you could take vitamin B supplement to help you with grey hair problem.
