A conditioner for visibly thinning hair, Bosley Professional Strength Bos Revive Volumizing Conditioner for Non Color-Treated Hair imparts volume, thickness and shine while also smoothing frizz and flyaways. Formulated with LifeXtend Complex Plus and Soy Amino Acid, this conditioner strengthens and fortifies hair while protecting from damage caused by shampooing, brushing and UV rays. Directions Of Use Apply to clean hair. Massage into hair and scalp. Let sit on hair for 5 minutes and rinse thoroughly. Ideal for considerably thinning, non colour treated hair. Sulfate free formula. Creates a healthy scalp environment. Helps thicken hair, creating a full effect. Promotes hair growth, reducing hair fall-out.