There are many varieties of supplements present but the most popular ones are the hair gummy. These gummies contain biotin, keratin, inositol, zinc, and many multivitamins that are good for hair health. Arechar Nutras Vitagoli is one of the best hair gummies on the market which not only does wonders for hair health but also improves skin and nail health. These gummies increase hair growth, reduce dry hair, and return the gloss to the hair.