Spit antifog gel works on anything that fogs, including dive masks, paintball masks, sport goggles, safety goggles, ski goggles, eye wear, windows, binoculars, scopes & more. Apply wet or dry - spit gel is so thick it can even be applied under water! Just one tiny drop works all day! Spit antifog... the most recognized name in antifog... see what you’re missing! CAUTION: Spit antifog is not recommended for swim goggle use. For swim goggles use Quick Spit antifog spray.