The muc off visor lens and goggle cleaner quickly and effectively removes dirt dust oil and grime from helmets eyewear and goggles formulated using de ionised water this muc off lens cleaner is safe for use on all lenses including polycarbonate and leaves a pure clean shine the visor lens and goggle cleaner has a ph neutral formula for a gentle yet thoroughly effective clean and is antibacterial killing 999 of germs and is also free from harmful chemicals wherever you are and whateve