Permethrin 1% w/w.
Other ingredients: Isopropanol, stearalkonium chloride, cetyl alcohol, ceteth-10 (polyoxyl 10 cetyl ether), hydroxyethycellulose, hydrolysed animal protein, methyl parahydroxybenzoate, balsam fir canada, propyl parahydroxybenzoate, fragrance 06.070, propylene glycol, E110, anhydrous citric acid and purified water.