Muc off lens goggle cleaning kithelmet visor cleaner quickly and safely removes dirt dust grime snow sweat and oily residue from all helmets eye wear 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 helmet visor cleaner is also anti bacterial and uses ph neutral soaps and you dont have to worry about the formula either its fully biodegradable and contains no solven