Nioxin System 1 Trial Kit is designed for natural hair experiencing light thinning. This three-step routine helps cleanse the scalp, remove impurities and improve the appearance of hair density. Ideal for discovering the Nioxin system, it leaves hair looking thicker, stronger and fuller. Helps improve the appearance of hair density Cleanses and balances the scalp Convenient format to discover the system BOX CONTENT System 1 Shampoo 150ml System 1 Conditioner 150ml System 1 Thickening Treatment 40ml HOW TO USE Apply the shampoo to wet hair and massage into the scalp to create a lather, then rinse thoroughly. Follow with the conditioner on the scalp and lengths, leave on for a few minutes and rinse. Finish with the thickening treatment applied directly to the scalp and damp hair without rinsing.