Screw Refills

It leaves an invisible coating on your lenses that stops condensation from forming. Instead of warm air turning into foggy droplets on your lenses — which happens when you wear a mask, step indoors from the cold, or exercise — the coating spreads moisture into a transparent layer you can see straight through.

Spray a small amount onto each lens, then gently buff dry with a clean microfibre cloth. For best results, apply before heading into humid or cold environments.

The anti-fog coating typically lasts several hours per application. Reapply as needed, especially after cleaning your lenses with water.

Yes, the spray is formulated to be safe for use on lenses with anti-reflective, scratch-resistant, and other standard optical coatings.

Absolutely. It works on all types of eyewear, including sunglasses, safety glasses, reading glasses, and prescription lenses. While primarily designed for lenses and eyewear, the anti-fog formula also works well on bathroom mirrors and car windscreens — useful during cold months when condensation builds up indoors.

A 100ml bottle provides hundreds of applications, making it excellent value for everyday use.

Yes — at 100ml, the bottle meets the standard airline liquid restrictions for carry-on luggage (containers must be 100ml or under). Just make sure it's packed in your clear resealable liquids bag as usual.

Yes, this is one of the most common reasons people use anti-fog spray. Apply it before putting your mask on and the coating prevents the warm air escaping from the top of the mask from condensing on your lenses.

No, as long as the formula is alcohol-free and ammonia-free. The SnapIt Anti-Fog Lens Spray is safe for all lens types, including prescription, anti-reflective, polarised, and photochromic lenses. It's the cheap sprays containing harsh alcohol that strip coatings over time. This one is designed for daily use without any risk to your lenses.