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What is Amazon Professional Beauty? Amazon has curated a selection of high-quality products that can be found in professional settings such as salons, spas, and dermatology offices. To buy Professional items, just look for the Professional Beauty badge. Professional Beauty Disclaimer: Content on this site is for reference purposes only and is not a substitute for advice from a licensed health-care professional. You should not rely solely on this content, and Amazon assumes no liability for inaccuracies. Always read labels and instructions before using a product. Nioxin System 6 Leave-In Scalp and Hair Treatment is formulated for noticeably thinning, medium to coarse, natural or chemically treated hair. This hair treatment includes SPF 15 sunscreen to help protect the scalp and contains antioxidants and botanicals to help clean away environmental residues, helping achieve moisture balance. How to use: Apply directly to entire scalp. Gently massage into scalp. Do not rinse. Use daily. May cause temporary redness to scalp after application. Nioxin is the only salon brand with 25+ years of experience in thinning hair. Nioxin, supported by The Institute of Trichologists, believes the scalp is an extension of facial skin and requires the same attention and care.







