Among the B vitamins, biotin is essential to the deep nourishment of hair, skin, and nails. In our diets, we have difficulty getting enough biotin. Biotin supplementation becomes necessary as a result. This Vitamin B7 dietary supplement from Simply Herbal is a cleverly crafted supplement designed to regulate biotin levels. In addition to helping with hair, skin, and nail growth, it will also promote healthy skin and hair maintenance.