Sandoz Bienestar Hair and Nails 90 Caps is a food supplement designed to keep hair and nails in good condition. It contains bioactive keratin, L-cysteine, vitamins and minerals, such as zinc, copper, vitamin b6 and biotin. These ingredients contribute to the normal maintenance of hair and nails, hair pigmentation and the synthesis of proteins such as keratin. In addition, it helps to revitalize the hair cuticle. This product is lactose-free and gluten-free. It is indicated for people who experience deterioration in hair and nails, making them more brittle due to lack of minerals or vitamins or during periods of stress. It is recommended to take 1-2 capsules a day.