Nioxin System 2 Trial Kit is a hair care system for natural hair with progressive thinning. This unique set of three professional hair care products is specially formulated as a hair thickening treatment that provides fuller-looking hair. The Nioxin System 2 routine refreshes the scalp, reduces hair loss due to broken strands, strengthens the hair and gives a healthy shine to natural hair. Nioxin Cleanser Shampoo removes dirt, excess oil and other environmental residues from the scalp and hair. Nioxin Scalp Therapy Conditioner is a lightweight conditioner that helps give hair resilience while moisturizing the scalp and hair from root to tip. Nioxin Scalp & Hair Treatment refreshes the scalp and helps produce thicker-looking hair by increasing the fullness of each strand. The kit has been clinically proven to reduce hair loss due to broken strands by up to 91%**. **based on a 2016 SIRS survey of 230 US hair thinning panelists