Green Seal certified. Formulated to be, non-toxic, phosphate free, biodegradable, and non-flammable, and it contains no dye or fragrance. Formulated to strip Hillyard One Plus® and EP-22, Hillyard Green Select high solids, zinc-free floor polishes. It can be used to strip a variety of other polishes as well. When used as directed, it is safe to apply to asphalt, vinyl, vinyl composition, and even linoleum. It does an outstanding job of wetting, penetrating, and emulsifying polish.