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Your cart is empty. PLEASE NOTE: This product is specifically designed for use in an aquatic environment. The lenses must remain wet to prevent fogging. Please do not purchase if you need an anti-fog product for eyeglasses, motorcycle helmets, ski masks, face shields, etc.
With our Nano Outdoors aqua defog brush pen, simply brush the inside of your lenses, and you will instantly see the underwater world clearly again, free of fog.
Our defog solution utilizes the latest anti-fog technology and is composed entirely of ingredients commonly found in foods and cosmetics. It creates a solid, durable protective layer of silica particles on your lenses that neither washes away nor releases chemicals into your eyes to cause irritation. This allows a single application to last comfortably through multiple uses and repeated washes. This feature offers a significant advantage over traditional gel and spray defoggers, which release chemicals into your eyes, wash off easily, and require frequent reapplication. Additionally, only a tiny amount of our solution is needed per application, ensuring that one brush pen lasts for over 150 applications.
Our defog product is designed with kids in mind. Kids often take off their goggles and splash around, our tough defog coating stays effective even with lots of water contact and accidental finger touches. No other anti-fog products on the market offer this level of durability.
Sarah Z.
Reviewed in the United States on February 26, 2025
This anti-fog spray is a game-changer for swimmers who struggle with foggy goggles. It is so easy to use, and enhances visibility in the water for quite a long time. I highly recommend it for both casual and competitive swimmers.
Xiaowei
Reviewed in the United States on January 12, 2025
My daughter swims competitively, fogging has always been an issue even with antifog goggles. I have been looking for an effective anti fog product and found this one. The brush is very easy to apply, we tested on a few goggles. After applying the coating, the goggle is much clear in water. And it has been several weeks, the coat is still good. Highly recommend this product.
Vivian
Reviewed in the United States on December 9, 2024
Bought one for my son about one month ago. He loves it: easy to use, and one application does keep fog away for quite a few swims. He shared it with his friends in the swimming team, and they loved it too. My son just asked me to order another one for his best friend as a birthday gift.
tian xiang
Reviewed in the United States on December 12, 2024
I bought this anti-fog coating for my swimming goggles, and trust me, this is a true game-changer! Whether I’m swimming laps at the pool or snorkeling, this product keeps my goggles crystal clear the entire time. Just pump a few times of the pen, and a quick spread, dry and rinse—it’s super simple and takes less than a few minutes. Surprisingly, no fog at all, even during intense swims or in warm indoor pools. It truly enhances my experience in the water. I was worried about it irritating my eyes, but it’s completely safe and causes no discomfort. This product has solved one of the most frustrating problems for swimmers. I highly recommend it to anyone who loves swimming but hates dealing with foggy goggles!
Lynn Z
Reviewed in the United States on November 19, 2024
I've tried several anti-fog solutions in the past, but this product is by far the best! It delivers on its promise of keeping my swimming glasses fog-free for a long time and with multiple uses.What I Liked:• Easy Application: The instructions were straightforward, clean the glass brush it with the pen wait for a couple of minutes and it is ready to use.• Long-Lasting Effect: One application lasts for days, and I don’t need to reapply constantly.• Crystal-Clear Vision: Unlike some coatings that leave streaks and air bubbles, this one keeps my lenses perfectly clear.Room for Improvement:• The bottle is a bit small for the price, but a little goes a long way, so it’s totally worth it.Overall, I’m thrilled with this product. If you are an active swimmer, this is a must-have to avoid the frustration of fogged-up lenses! Highly recommend.
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