Frequently Asked Questions

Sven Can See® is safe for use on all lens types, including Anti-Reflective Lens and Prescription Lenses.

Sven Can See® has been tested to last a minimum of 8 hours. One application should last all day.

The 0.27oz/8mL Sven Can See® Spray Bottle contains approximately 40 applications (i.e. each bottle covers approximately 40 pairs of glasses).

Sven Can See® is designed to work on all lens types, including prescription lenses; however, if you are concerned about a possible reaction, please speak with your eyewear prescriber before use.

Sven Can See® was originally designed for cold weather use (ideal temperatures -20°F to 20°F/-28°C to -6°C). However, after further testing, Sven Can See® has been successful for normal and high heat temperature ranges as well. So, this product truly is for everyone.

When used for the most extreme temperatures, like -20°F, Sven Can See® needs to be left on the lens for 5-10 minutes before exposure.

It is better to apply the product indoors in a clean, dry environment.

Sven Can See® Gel and Spray is a gel substance. The original bottle is a small squeeze bottle with a convenient flip-lid that can be used with gloves on. The spray gel comes in a pen-like applicator with a more liquid consistency.

The product has little to no odor.

It is always ideal to clean your eyewear before applying Sven Can See®. Make sure the lenses are completely dry before applying the product. A great lens cleaning product would be Sven Can See® Lens Cleaner!

Ideally, yes. If you can clean and dry the lenses it is best to do so before applying a new layer of product.

We recommend that this product be used for children over 6 years of age.

Sven is a cold weather hiker. Read his story on our About The Company page!

The product is best used within 2 years of purchase.

Yes, Sven Can See can be used on non-prescription, tinted glasses or goggles. The tinted lens should not be scratched or peeling.