Vitamin D is important for skin health as it helps promote cell growth, repair, and regeneration. By increasing the production of new skin cells, vitamin D can help improve skin structure and radiance, while also supporting healthy hair growth by regulating cell function in the hair follicles.

Biotin, also known as vitamin B7 or H, is an important B vitamin that plays a central role in the health of hair and skin. It promotes hair growth by strengthening hair follicles and promoting the production of keratin, the protein that makes up the hair. Biotin also contributes to maintaining healthy skin by promoting cell growth and regeneration.

Vitamin B, especially various B vitamins like Biotin (B7), B12, and others, are crucial for healthy hair growth and skin health. These vitamins promote cell renewal and stimulate the production of new skin cells and hair cells. They can also contribute to improving blood circulation to the scalp, which promotes hair growth and provides a healthy scalp environment.