MADE IN USA: We have been proudly and diligently manufacturing Purity Fog Stopper & Lens Cleaner in Ronkonkoma - NY for over 26 years. Buy our anti fog spray with confidence. If you are not happy with our glasses anti fog spray product, contact our 24/7 customer support.?. TWO IN ONE FORMULA: Purity Fog Stopper cleans and defogs all non-AR coated lenses. Type II Deionized Water removes dirt, oil and fingerprints from the lens, while the antifog nano coating stops condensation in all weather conditions. This fog stopper lens cleaner defogs diving masks, eyeglasses, ski masks, windshields and more!?. EASY TO APPLY: Spray the fog stopper directly on the lens and gently wipe it off with a microfiber cloth. Voila! Crystal clear and fog-free glasses. Our fog block anti-fog spray for glasses perfectly works on both glass and plastic surfaces.? ?. FOR NON-AR LENSES: Purity Fog Stopper anti fog spray for goggles is safe for all lenses but is effective only on non-AR (Anti Reflective) coated lenses. This anti fog spray doesn’t contain any harsh chemicals, and is streak- and smudge-free.