FOR HEALTHY HAIR, SKIN & NAILS. Specially formulated for those who need and extra to strengthen hair, skin and nails with Biotin which helps in cell growth and the utilization of other nutrients, and COLLAGEN which is the most abundant protein in our body. Biotin aids in cell growth and the utilization of other b-complex vitamins. Sufficient quantities are needed for healthy hair and skin. Collagen is the most abundant protein in our body. It's essential for strong hair, skin, and nails