What is it: System Kit 1 Shampoo is designed for natural, untreated hair with light thinning. Why you'll love it: Clinically and dermatologically tested, the shampoo nourishes and gently cleanses your hair to prevent against follicle-clogging sebum, resulting in thicker, fuller hair.

Featured ingredients: Formulated with a powerful blend of wild mint oil, peppermint oil and salicylic acid

1. THICKENS THE HAIR: clinically designed to add thickness and fullness to natural hair with light thinning, with visible results in just 30 days

2. SUPPORTS SCALP HEALTH: gently cleanses the scalp, removing impurities and excess sebum that can clog hair follicles, creating a healthier environment for the scalp

3. REDUCES HAIR THINNING: helps minimize hair breakage, promoting the appearance of fuller, thicker hair

4. NOURISHES THE SCALP: infused with antioxidants and UV protecting ingredients, the kit includes a Leave-On Treatment which can nourish and revitalize the scalp

85% of consumers noticed a thickening effect with our hair thickening products

Apply Nioxin System 1 Shampoo onto wet hair and scalp. Gently massage and rinse thoroughly with water. For best results, use daily in combination with Nioxin System 1 Conditioner.

Aqua/Water/Eau, Sodium Laureth Sulfate, Sodium Lauryl Sulfate, Cocamidopropyl Betaine, Cocamide MEA, Sodium Benzoate, Citric Acid, Sodium Chloride, Salicylic Acid, Mentha Arvensis Leaf Oil, Mentha Piperita (Peppermint) Oil, Tetrasodium EDTA, Methylparaben, Propylene Glycol, Glycerin, Sodium Hydroxide, Limonene, Camellia Sinensis Leaf Extract, Cystine Bis-PG-Propyl Silanetriol, Niacinamide, Panthenol, Biotin, Lecithin, Tocopheryl Acetate, Citrus Paradisi (Grapefruit) Peel Extract, Humulus Lupulus (Hops) Flower Extract, Urtica Dioica (Nettle) Leaf Extract, Blue 1 (CI 42090), Acer Saccharum (Sugar Maple) Extract, Citrus Limon (Lemon) Peel Extract, Saccharum Officinarum/Sugar Cane Extract/Extrait de canne à sucre, Vaccinium Myrtillus Leaf Extract, Faex Extract/Yeast Extract/Extrait de levure, Propylparaben, Phenoxyethanol, Citrus Aurantium Dulcis (Orange) Fruit Extract, Potassium Sorbate, Maltodextrin, Sodium Citrate, Ethylparaben, Butylparaben, Sodium Xylenesulfonate.