What it Does Grow longer, healthier hair with Redken's Extreme Length Leave-In Treatment. This biotin and soy protein-enriched formula fortifies hair from within, preventing breakage and promoting the growth of your strongest, most resilient strands. How to Use Apply to clean, damp, towel-dried hair. Leave-in. Style as desired. Use as a complete system with Extreme Length Shampoo and Extreme Length Conditioner with Biotin. Ingredients: Aqua / Water / Eau Amodimethicone Cetearyl Alcohol Trideceth-5 Polyquaternium-37 Phenoxyethanol Propylene Glycol Dicaprylate/Dicaprate Steareth-20 Parfum / Fragrance Sodium Hydroxide Citric Acid Glycerin Phenyl Trimethicone Cetyl Hydroxyethylcellulose Trideceth-10 Ppg-1 Trideceth-6 Cetyl Alcohol Prunus Amygdalus Dulcis Oil / Sweet Almond Oil Biotin Polyquaternium-67 Arginine Behentrimonium Methosulfate Chlorhexidine Digluconate Quaternium-33 Sorbitan Oleate Acetic Acid Benzyl Benzoate 2-Oleamido-1,3-Octadecanediol Hydrolyzed Soy Protein Limonene Benzyl Alcohol Linalool Silica Dimethyl Silylate Hydrated Silica Polysorbate 60 Hydrolyzed Vegetable Protein Pg-Propyl Silanetriol Sodium Acetate Sodium Chloride Isopropyl Alcohol Potassium Sorbate Please be aware ingredients are subject to change periodically. It is recommended you check the product packaging prior to use for a complete ingredient list.