A lightweight liquid to foam conditioner for fine and weak hair. This lightweight airy foam conditions and detangles fine hair. Panthenol adds essential moisture, while Hydrolized Collagen helps to restore the hair's elasticity Adds body and strength. Lightweight conditioning for fine hair. For hair that is fine, limp, and in need of more body. Collagen, known from skin care for boosting skin's elasticity, shape, and strength, is added to BC BONACURE formulations to weightlessly strengthen the hair, providing fullness, volume, and bounce.