Nioxin Pro Clinical's System Kit 1 is designed for natural, untreated hair with light thinning. Clinically and dermatologically tested, the Nioxin System 1 Shampoo nourishes and gently cleanses your hair to prevent against follicle-clogging sebum, resulting in thicker, fuller hair. Formulated with a powerful blend of niacinamide, biotin and caffeine to help nourish the hair root, stimulate hair follicles and strengthen the hair. The three-step regimen begins with the Nioxin System 1 Shampoo. Start by applying it to wet hair, gently massaging it into the scalp and hair for one minute before rinsing thoroughly. This gentle cleanser works to remove buildup, including follicle-clogging sebum and environmental residues, preparing the scalp for the next steps. For optimal results, use the Nioxin System Kit 1 daily.

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