It's an innovative dietary supplement designed to pamper your hair. The secret to its effectiveness lies in its ingredients, as it's made with: OptiMSM® (methylsulfonylmethane) and L-methionine (a sulfur-containing amino acid) contain highly bioavailable organic sulfur. Sulfur is a mineral that is significantly present in hair keratin. Horsetail, due to its silica content, helps maintain hair in normal condition. Biotin and zinc contribute to maintaining hair in optimal condition, and copper participates in normal hair pigmentation.