Product Description Nioxins Cleanser Shampoo System 1 for natural hair with light thinning is the first step of athree part Nioxin regimen, specially formulated to strengthen the hair to prevent breakage and amplify hair texture. It prepares the hair and scalp for a complete hair thickening treatment with Nioxins three part System 1. This professional derma-purifying Cleanser Shampoo removes dirt, excessive oil and other environmental residues from the scalp and hair. Features & Benefits Professional quality hair and scalp cleansing shampoo for natural hair with light thinning. Cleanses the hair and scalp to make hair thicker, fuller-looking. Removes product build up, minerals, pollutants and toxins. Leaves hair growing healthily with body, volume and shine. Clears nutrient pathways at hair follicle sites without stripping essential oils, and provides an optimum scalp environment. Peppermint oil refreshes the scalp from FIRST USE. Nioxin technology provides hair resilience and smoothing control. Nioxin System Kit is designed to strengthen the hair and amplify hair structure.