Check into Blonde Rehab with the N0'1 Hair perfector treatment formulated with a bond complex enriched with Keratin & Hyaluronic Acid, specially designed for damaged blonde hair structures that are naturally thinner and more fragile. This hair perfector treatment rebuilds bonds from the inside out and repairs damage for strong healthy-looking hair in just 1 wash*. *When used with the Blonde Rehab Pre-treatment, shampoo, conditioner & serum. INGREDIENTS Aqua (Water), Propylene Glycol, C15-19 Alkane, Polyacrylamide, PEG-40 Hydrogenated Castor Oil, C13-14 Isoparaffin, Salvia Hispanica Seed Extract, Phenoxyethanol, Prunus Amygdalus Dulcis (Sweet Almond) Oil, Benzyl Alcohol, Parfum (Fragrance), Laurdimonium Hydroxypropyl Hydrolyzed Keratin, Laureth-7, Bis-Ethyl(isostearylimidazoline) Isostearamide, Hydroxypropyl Guar Hydroxypropyltrimonium Chloride, Panthenol, Citric Acid, Dehydroacetic Acid, Glycerin, Leuconostoc/Radish Root Ferment Filtrate, Polyquaternium-10, Hydrolyzed Sodium Hyaluronate, Sodium Hyaluronate, Hexyl Cinnamal, Alpha-isomethyl Ionone, Coumarin, Linalool, Eugenol, Limonene, Ethylhexylglycerin. DIRECTIONS Use 1x per week or for damaged hair use 2/3x per week. Apply to towel dried hair, smooth onto hair from roots to ends, leave on for 10 minutes or for an intense treatment leave on overnight, rinse and follow with the Blonde Rehab N0'2 strengthening shampoo. SAFETY WARNING For external use only See moreHow does the bond repair system work? Formulated with a bond building complex and a boost of keratin & hyaluronic acid. This hair perfector treatment rebuilds bonds from the inside out and repairs damage for strong healthy-looking hair in just 1 wash*. Who is the perfect match? Blonde Rehab is designed specifically for those with damaged blonde hair, which is naturally thinner and more fragile. Reverse hair damage in just 1 wash* with the Provoke Blonde Rehab N0'1 Hair Perfector Treatment. Check out from Blonde Rehab with soft, strong and shiny blonde hair. Check into Blonde Rehab with dry, brittle and frizzy hair.