state-of-the-art technology maintains a strong coating which   resists friction by wipers, dust, car-wash or cleansers, and lasts 6 times longer   than conventional coating agents. The water repellences lasts up to 1   year.

Directions
* Remove dust or dirt from the windshield with water in advance.
1. Shake the bottle well with the cap on.
2. Take the cap off and apply it evenly on dry windshield.
* Do not apply it on wet windshield otherwise it may cause damage to the   surface.
3. After drying for 5-10 minutes, wipe it off with a dry, clean towel,   afterward dry for more than 12 hours, in order to make the coating adhere   firmly to the windshield.