Nioxin Hair Care Kit System 4 for Color Treated Hair with Progressed Thinning, Trial Size is a three-part system that helps with progressed thinning, colored/chemically treated hair. It gives thicker hair and protects against damage. Benefits: Nioxin three-part System 4 regimen reduces hair loss due to breakage and strengthens the hair. Refreshing the scalp gives a healthy shine to colored/chemically treated hair with progressed thinning. Amplifies hair protection and texture against breakage and increases fullness of each hair strand. Nioxin Cleanser Shampoo removes sebum and environmental residues from the scalp and hair. Nioxin Scalp Therapy Conditioner is a lightweight conditioner that helps provide hair resilience and control moisture balance. Nioxin Scalp & Hair Treatment refreshes the scalp and increases hair volume. Follow Suggested Use for Best Results: Step 1: Massage into hair and scalp, rinse. Step 2: Apply from scalp to ends, rinse. Step 3: Shake, apply to scalp, do not rinse. Estimated 90-day supply. Complement any of your Nioxin Hair System Kit with Nioxin Intensive Care products. Includes: System 4 Cleanser (5.07 oz) System 4 Scalp Therapy (5.07 oz) System 4 Scalp Treatment (1.69 oz) Active Ingredients: Cleanser Shampoo: Water/Eau, Sodium Laureth Sulfate, Sodium Lauryl Sulfate, Citric Acid, Sodium Chloride, Ppg-2 Hydroxyethyl Coco/ Isostearamide, Sodium Citrate, Sodium Xylenesulfonate, Sodium Benzoate, Salicylic Acid, Sodium Hydroxide, Tetrasodium Edta, Mentha Piperita (Peppermint) Oil, Mentha Arvensis Leaf Oil, Menthol, Trisodium Ethylenediamine Disuccinate, Methylparaben, Polyquaternium-10, Propylene Glycol, Camellia Sinensis Leaf Extract, Cystine Bis-Pg-Propyl Silanetriol, Biotin, Lecithin, Niacinamide, Panthenol, Tocopheryl Acetate, Foeniculum Vulgare (Fennel) Fruit Extract, Sodium Acetate, Isopropyl Alcohol, Yellow 5, Yeast Extract/Extrait De Levure, Acer Saccharum (Sugar Maple) Extract, Citrus Limon (Lemon) Peel Extract, Saccharum Officinarum Extract, Vaccinium Myrtillus Leaf Extract, Blue 1, Citrus Aurantium Dulcis (Orange) Fruit Extract, Red 33, Potassium Sorbate. Scalp Therapy Conditioner: Water/Eau, Cetyl Alcohol, Stearamidopropyl Dimethylamine, Stearyl Alcohol, Quaternium-18, Phenoxyethanol, Benzyl Alcohol, Cetearyl Alcohol, Hydroxypropyl Guar, Bis- Aminopropyl Dimethicone, Glyceryl Stearate, Oleyl Alcohol, Methylparaben, Propylparaben, Polysorbate 60, Mentha Piperita (Peppermint) Oil, Mentha Arvensis Leaf Oil, Menthol, Edta, Hydroxyethylcellulose, Citric Acid, Propylene Glycol, Camellia Sinensis Leaf Extract, Cystine Bis-Pg-Propyl Silanetriol, Biotin, Lecithin, Niacinamide, Panthenol, Tocopheryl Acetate, Foeniculum Vulgare (Fennel) Fruit Extract, Yeast Extract/Extrait De Levure, Acer Saccharum (Sugar Maple) Extract, Citrus Limon (Lemon) Peel Extract, Saccharum Officinarum Extract, Vaccinium Myrtillus Leaf Extract, Citrus Aurantium Dulcis (Orange) Fruit Extract, Blue 1, Potassium Sorbate, Sodium Benzoate.