This rich blend features Biotin, an essential member of the B-Complex family with Keratin protein and collagen to help build stronger, more healthy hair. Keratin enables penetration of each individual hair shaft with essential amino acids and nutrients for healty-looking hair. Mill Creek Biotin Conditioner leaves hair feeling silky smooth, full of vibrancy and vitality. Refreshing peppermint oil provides an invigorating sensation for the scalp.