Our car interior cleaner contains disodium EDTA and sodium bicarbonate. It can be gently polished to restore the luster of the interior surface and improve the texture. Deep cleaning, effectively remove dirt inside the car. The way to use it is simple: 1. Shake well before use 2. Spray the product evenly in the car and wait 3-5 minutes until the stain dissolves. 3. Rinse with water and dry with a towel. And it can remove dirt, grease, grime and other contaminants from the inner surface, leaving no residue or trace.