s latest formula of  Extra Anti-Fog Gel which provide safe, highly effective, long-lasting fog prevention for all lenses and optics including eyeglasses, safety glasses, ski goggles as well as sunglasses, it prevents fogged optics in cold weather, moist environments, or athletic activities.en’s Anti-Fog technology developed a Fog-Free soft gel to spread an ultra-thin, invisible, dry coating onto a lens surface that absorbs moisture. Fog micro-droplets are absorbed into the coating, instantly spread across its surface, and evaporate back into the air before fog can foProsben’s latest formula of  Extra Anti-Fog Gel which provide safe, highly effective, long-lasting fog prevention for all lenses and optics including eyeglasses, safety glasses, ski goggles as well as sunglasses, it prevents fogged optics in cold weather, moist environments, or athletic activities.