Create strong fluorine layer "PTFE" on car paint surface without base treatment. Hydrophobic properties lasts up to 7 months* and the newly formulated polymer develops an impermeable coating on the surface that remains for far longer than conventional products. Easy to buff off and prevent stain comparing with conventional solid type. This product protects from various kind of dirts by creating un-penetrated fluorine polymer shield on top of paint surface. Compatible for all color vehicle. * by SOFT99 test Direction * Make sure that the product is compatible car paint color. 1. Rinse and wash car to remove dirt and sand. If heavily soiled, use car shampoo or cleaner. 2. Shake the bottle well. 3. Apply the moderate amount of liquid on the yellow side of included sponge and spread evenly. Then you can remove the dirt at the same time. * If the dirt is stubborn, use a clay bar to smoothen the paint, achieve better durability and beautiful finish. 4. Let it dry (5-10 in summer, 15-25 in winter), buff it off with soft and clean towel. * If the body gets dirty, wash with diluted neutral car shampoo or water, then restore hydrophobic and glossiness. As for daily maintenance, use "Fusso Coat Speed & Barrier Hand Spray".