Scalp & Hair Leave-In Treatment System 5 (Chemically Treated Hair/Normal to Light Thinning) is made from: Water, Phenoxyethanol, Polysorbate 80, Polysorbate 60, Acetamide MEA, Triethanolamine, Citric Acid, PEG-23M, Methylparaben, Hydrolyzed Keratin, Propylene Glycol, Propylparaben, Methyl Nicotinate, Fragrance, Mentha Piperita (Peppermint) Oil, Menthol, Mentha Arvensis Leaf Oil, Methylisothiazolinone, Camellia Sinensis Leaf Extract, Hydrolyzed Silk, Lecithin, Aleurites Moluccana Seed Oil, 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.