The melanin in Wuhe Twist can't be directly absorbed by the hair, and it can't achieve the effect of nourishing black with black. The color of hair is mainly determined by melanin in hair follicles, and melanin in food can not directly affect the production of melanin in hair follicles. To maintain the health and color of hair, we should maintain it through a balanced diet, reasonable nutrition intake and scalp health. As a snack, black twist contains some nutrients, which can not directly affect the color of hair.