What ingredients are in blonde hair dye?

OK. It’s just a bunch of chemicals, mostly peroxide and alcohol, but here ya go.

This is for L’Oreal Preference Medium Blonde 8

Color Gel: Water, Trideceth-2 Carboxamide MEA, Butoxydiglycol, Propylene Glycol, PEG-2 Tallow Amine, Alcohol Denat., Oleyl Alcohol, Polyglyceryl-2 Oleyl Ether, Polyglyceryl-4 Oleyl Ether, Ammonium Hydroxide, Oleic Acid, Sodium Diethylaminopropyl Cocoaspartamide, Pentasodium Pentetate, Ammonium Acetate, Fragrance, Sodium Metabisulfite, Resorcinol, P-Aminophenol, Erythorbic Acid, Phenyl Methyl Pyrazolone, P-Phenylenediamine, M-Aminophenol, Hydroxypropyl BIS (N-Hydroxyethyl-P-Phenylenediamine) HCI, 2-Methyl-5-Hydroxyethylaminophenol.

Color Optimizing Creme: Water, Hydrogen Peroxide, Cetearyl Alcohol, Trideceth-2 Carboxamide MEA, Ceteareth-30, Glycerin, Pentasodium Pentetate, Sodium Stannate, Tetrasodium Pyrophosphate.

Care Supreme® Conditioner: Water, Cetearyl Alcohol, Glycerin, Behentrimonium Chloride, Euphorbia Cerifera (Candelilla) Wax, Amodimethicone, Cetyl Esters, Isopropyl Alcohol, Fragrance, Methylparaben, Camphor Benzalkonium Methosulfate, Trideceth-12, Chlorhexidine Dihydrochloride, Cetrimonium Chloride. [D2010/2]