Nioxin System 4 Scalp Treatment, noticeably thinning, fine chemically treated hair. Volumizing leave-on treatment with antioxidants & botanicals, provides a refreshed scalp environment. SPF 15 sunscreen to help protect the exposed scalp from the sun.

Technologies
- Scalp Access Delivery System with vitamins, botanicals, SPF 15 sunscreen, and purifying agents to help clean away follicle-clogging sebum and environmental residues from the scalp, while helping provide sun protection for the scalp.
- BioAMP with cystine amino acids, and lightweight conditioning and treatment ingredients; helps provide thicker-looking hair by increasing the fullness of each hair strand, and reducing hair loss through strengthening against damage and breakage.
- Glyco-Shield for chemically-treated hair and scalp with white tea extract, humectants, peppermint oil, and protective conditioning agents that deliver a dual shield technology to help provide protection and moisture balance to color-treated hair, while leaving the scalp feeling rejuvenated and refreshed.

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.

Ingredients

 Active Ingredients: Ensulizole, Sulisobenzone Inactive Ingredients : Water, Polysorbate 20, Sodium Hydroxide, Phenoxyethanol, PEG-12 Dimethicone, Citric Acid, Cocamidopropyl Betaine, Acetamide MEA, Isopropyl C12-15-Pareth-9 Carboxylate, Methylparaben, Tetrasodium EDTA, Hydrolyzed Keratin, Propylene Glycol, Propylparaben, Panthenol, Methyl Nicotinate, Fragrance, Polysorbate 80, Polysorbate 60, Mentha Piperita (Peppermint) Oil, Menthol, Mentha Arvensis Leaf Oil, PEG-23M, Methylisothiazolinone, Camellia Sinensis Leaf Extract, Cystine Bis-PG-Propyl Silanetriol, Lecithin, Foeniculum Vulgare (Fennel) Fruit Extract, Saccharomyces/Magnesium Ferment, Biotin/Folic Acid/Cyanocobalamin/Niacinamide/Pantothenic Acid/Pyridoxine/Riboflavin/Thiamine/Yeast Polypeptides, Yeast Extract, Saccharomyces/Iron Ferment, Saccharomyces/Copper Ferment, Saccharomyces/Silicon Ferment, Saccharomyces/Zinc Ferment.