Amway Nutrilite Hair Skin And Nails, tablets contain a unique combination of collagen, biotin, glycine, L-cysteine, vitamin C, grape seed extract and Nutrilite Acerola cherry concentrate. These ingredients function together to keep hair, skin and nails healthy and beautiful. Biotin or vitamin B reduces nail brittleness, promotes healthy hair and improves skin health. Collagen is necessary for the structure and growth of hair, skin and nails. L-cysteine may help in the formation of keratin, a major protein in hair, skin and nails. In addition, Nutrilite Hair Skin And Nails tablets also do not contain artificial flavour, colour or preservatives.