Dietary supplement based on brewer's yeast. Brewer's yeast, rich in vitamins and minerals, contributes to the beauty of nails and hair. Dull hair, dandruff, dull skin tone, brittle nails are often the result of an imbalance in the body. Skin, hair and nails are all subject to external aggression. Brewer's yeast is a microscopic fungus, also called saccharomyces cerevisiae. The presence of vitamins, minerals and amino acids allows brewer's yeast to provide the skin, nails and hair with essential nutrients to regain shine and beauty.