Nioxin products provide help, and more importantly results, to people experiencing thinning hair. Nioxin's System 3 Scalp Treatment works in conjunction with Nioxin's 3 part treatment system to amplify hair texture and restore moisture balance for normal to thin, fine, chemically treated hair. It also protects the scalp. Technologies Bio AMP- Provides thicker looking hair and improves strength. Transactive Delivery System-Cleans away follicle clogging sebum and environmental residue from scalp leaving skin feeling clean and healthy. Glyco-Shield- Provides protection and moisture balance to chemically treated hair while leaving the scalp feeling rejuvenated and refreshed. Directions For best use, use in conjunction with Nioxin's 3 part daily use treatment. First, cleanse with System 3 Cleanser, then apply System 3 Conditioner to wet hair and leave in between 1 and 3 minutes before rinsing out. Finally apply the leave in System 3 Scalp Treatment.