Palmer's Cocoa Butter Formula Length Retention system with Biotin, fully strengthens hair with powerhouse natural protectants that help block brittleness, breakage and split ends to support optimal length. Gentle shampoo, lifts away dirt, oil and build-up. No harsh detergents, won’t strip or tangle hair. Nourishes and maintains moisture balance. Leaves hair cuticles and follicles perfect for conditioning.