Natures Plus Ultra Skin, Hair & Nails is a supplement that combines biotin, MSM, choline, and inositol to promote healthy skin, hair, and nails. These nutrients help maintain a healthy and radiant appearance. Composition Biotin, MSM, Choline, Inositol, Cellulose, Blend of other ingredients. Instructions for use This supplement may improve the appearance of skin, hair, and nails, but results may vary from person to person.