Visor, Lens & Goggle Cleaner quickly and safely removes dirt, dust, grime, snow, sweat and oily residue from all helmets, eye wear and goggles. It's been formulated using de-ionised water as recommended by many helmet manufacturers and it's safe to use on all lens materials including polycarbonate. Visor, Lens & Goggle Cleaner is also anti-bacterial and uses pH neutral soaps. And you don't have to worry about the formula either. It's fully biodegradable and contains no solvents or harmful chemicals.