Skin Nails & Hair is one of Solgar s premium-quality skin hair and nails products. Many nutrients cannot be delivered to the body externally. Solgar s Skin Nails & Hair formula is designed to help build collagen and keratine major building blocks of skin nails and hair that can decrease as we age. Delivering nutrients like MSM internally may help support strong hair hard nails and supple skin. Solgar Skin Nails & Hair tablets are free of gluten wheat dairy soy yeast sugar sodium artificial flavor sweetener preservatives and color.