The formula for this highly effective cleaning solution is 100% biodegradable, so perfectly safe for your family, your home, and the environment. Great for lifting dirt, grime, smudges, and tough stains off of any sealed hard floor or surface, and virtually residue free, so there is no rinsing required. This Hoover double-concentrated solution works with any Hoover steam cleaner to clean all sealed hard surfaces in your home. When steam alone is not enough, add the Hoover SteamPlus Cleaning Solution to cut through grease and grime.