What is the reason for the lack of luster in hair?

Hair is not shiny, may be caused by lack of nutrition or improper care.

1, nutritional deficiency

in the daily diet, the body to intake enough carbohydrates, fat, vitamins, minerals and other nutrients to help maintain normal metabolism, hair also needs these nutrients to nourish, in order to be healthy, shiny. If the body for a long time lack of nutrition, it may lead to decreased immunity, metabolism, may also make hair lose luster, and even hair loss.

2, improper care

usually in the hair care, if the way, may also cause damage to the hair.