Zero-Fog is the most advanced anti-fog solution available. It has superb non-smearing action for A-R coated lenses. 100% Anti-Static to eliminate dust. The best protection for Swim-goggles, Diving-masks and other sports face shields.
This product has received certification by the Swiss Government to be free of health hazards and toxicity for use by the general public.
30 ml - 1 oz plastic spray bottle

How to Treat your Lenses
Spray some of the liquid on the lens surfaces and clean lenses with tissue. Once the lenses are clean, spray on liquid for a second time and spread it around with fingers. Let it dry and then using a fresh dry towel wipe any smears.

The treatment can be effective for several days.