Biotin helps promote and support healthy skin, nails and hair. It is also a B-Vitamin that is essential for the proper functioning of certain enzymes in the body. Biotin- helps promote and support healthy skin, nails and hair. It is also a B-Vitamin that is necessary for certain enzymes to function properly in the body. Biotin helps support energy production in the body - it is necessary for converting food into energy and fat, carbohydrate and protein metabolism. Biotin can protect the health of hair and nails in cases such as slowing down of hair growth, hair growth, wrinkling and splitting at the ends of the hair, hardening of the nails, formation of white spots and nail breakage.