Bluebonnet's Beautiful Ally Keratin Care Capsules are specially formulated with Cynatine HNS, a clinically-studied, bioactive, solubilized keratin - along with biotin, resveratrol, vitamin A and a unique amino acid blend - to help promote the appearance of strong, gorgeous hair. This restorative hair care formula helps protect and repair damaged hair from the inside out. Available in easy-to-swallow vegetable capsules for maximum assimilation and absorption.