What a convenient food for the hair right?

Brown hair, are the main causes: hypothyroidism, high levels of malnutrition, severe iron deficiency anemia and was recovering from an illness, leading to melanin reduced the body so that the base material of the absence of black hair, black hair gradually becomes brown or yellow. In addition, regular Perm, alkaline detergent or shampoo, it will damage the yellow hair. Here are several causes for hair to yellow because of the diet.