Tips & FAQ

Frequently asked questions

Tips & FAQ


Most of our products are intended to be used within 1-2 years. Rain-X® does not guarantee the performance of our chemical products beyond 2 years.

Unfortunately, we are not accepting sponsorship proposals at this time.

Yes, Rain-X® can be applied to a new windscreen. Just ensure that the windscreen is thoroughly cleaned before application to achieve the best results.

Yes, Rain-X®’s water-repellent properties are often more noticeable at higher speeds where the wind force helps disperse water droplets from the windscreen.

Rain-X® Ceramic Technology offers several benefits, including enhanced water beading, increased hydrophobicity, UV protection, and improved resistance to contaminants, all of which contribute to a cleaner and more protected surface.

Rain-X® Ceramic Technology creates a thin and durable ceramic layer on the surface to which it’s applied. This layer provides a protective barrier against water, UV rays, dirt, and other contaminants, helping to maintain a cleaner and more attractive appearance.

While it’s generally best to apply Rain-X® Ceramic Technology products to cool surfaces in the shade, the specific application instructions can vary based on the product. Refer to the packaging for guidance.

Anti Fog

No, this product should not be used on acrylic, plastic, motor bike helmets or motor bike windshields.

No, this product needs to be used on clear glass that is void of anything else on it such as tints.

Yes, the Rain-X® Anti-Fog treatment is really good at preventing glass surfaces from fogging up in the bathroom

The longevity of Rain-X® Anti-Fog’s effect varies based on factors such as humidity and usage. It’s generally advisable to reapply the product every few weeks or as needed for optimal results.

Rain-X® Anti-Fog provides temporary protection against fogging. Reapplication is necessary after a certain period or when you notice the effects wearing off.

Original Treatment

Yes, Rain-X® Original Treatment can be used on domestic glass windows; however, avoid contact with vinyl and aluminum surfaces near the window.

It is possible the Rain-X® Original Glass Treatment was not completely removed from the glass.  Use Rain-X® Extreme Clean to achieve the best glass treatment removal results.

This product typically lasts about 3 months depending on weather and environmental conditions.

No, but you should rinse the product off with soap and water.

No, Rain-X® Original Glass Treatment is not recommended for use on solar panels.

Rain-X® Extreme Clean is the best product to use to remove Rain-X® from a glass surface.

Yes, Rain-X® can be used on glass shower doors without any etching to achieve the benefits of Rain-X® water beading in the shower.  Rain-X® should not be used on plastic shower doors.

No, this product is intended for automotive glass applications. If you wish to use it on surfaces like plastics we recommend to use the Rain-X® Plastic Repellent.

Screen Wash

Rain-X® Screen Wash is a specific product offered by the Rain-X brand, designed to be used as a windscreen washer fluid. It’s known for its unique water-repellent properties, which are intended to help improve visibility during wet weather conditions. When Rain-X Screen Wash is applied to the windscreen, it creates a hydrophobic barrier that causes rainwater to bead up and roll off the glass more effectively, which can enhance visibility and reduce the need for windscreen wipers.

Yes, Rain-X® Screen Wash Fluid is designed to be effective in various weather conditions, including rain, snow, and sleet.

It’s generally not recommended to mix different washer fluids, as it can affect their performance. To maintain the desired effects of Rain-X® Screen Wash Fluid, it’s best to use it as intended.

You can use Rain-X® Screen Wash Fluid whenever you refill your windscreen washer reservoir. Its water-repellent properties can last for several weeks, but re-application may be necessary for optimal performance.

De Icer

Rain-X® De-Icer features a powerful formula that melts ice and frost on contact, making it easier to clear your vehicle’s surfaces without the need for excessive scraping or waiting.

Yes, Rain-X® De-Icer is specifically formulated to remove ice and snow from the windscreen.

Rain-X® De-Icer is safe for use on most vehicle surfaces, including windows and mirrors. However, avoid using it on painted surfaces or delicate materials. If unsure, test a small area first.

Yes, Rain-X® De-Icer is safe for use around windscreen wipers. It won’t cause damage or harm to the wiper blades or mechanism.

Windscreen Repair Kit

The kit includes materials to create a vacuum seal over the damaged area, followed by an injection of a specially formulated resin. This resin is designed to bond with the glass and reduce the visibility of the damage.

While the kit aims to improve the appearance of the damaged area, it might not completely eliminate the visibility of the damage. Results can vary depending on the type and severity of the damage.

The kit is generally designed for a single repair. If you have multiple areas of damage, you might need additional kits.

It’s recommended to use the kit in moderate temperatures and avoid extreme heat or cold. Temperature variations can affect the curing process of the resin.

The kit is specifically formulated for vehicle windscreens and might not yield the same results on other types of glass or surfaces.