Water-based, alcohol-free, natural formula repels and kills horn, stable, house, horse and deer flies, mosquitoes, gnats and lice on horses and ponies. Kills fleas and ticks on dogs and cats. Contains new botanical repellent PyGanic (0.10% pyrethrins), organically derived from chrysanthemum flowers and the first pyrethrum listed by the OMRI for use in organic farming. Also contains natural oils of citronella, clove stem, thyme and corn mint. Non-irritating; gentle to skin and coat.