Muc-Off Visor Lens and Goggle Cleaner: 250ml Bottle. Visor Lens & Goggle Cleaner quickly and safely removes dirt dust grime snow sweat and oily residue from all helmets eyewear and goggles. Its been formulated using de-ionised water as recommended by many helmet manufacturers and its safe to use on all lens materials including polycarbonate. Visor Lens & Goggle Cleaner uses pH neutral soaps. Its biodegradable and contains no solvents or harmful chemicals.