Clean a dirty interior with ease! Strong enough to clean the toughest stains, delicate enough for fragile surfaces. Adam's Leather & Interior Cleaner is a strong and effective inner car cleaning formula. Vehicle interiors require special care to keep them clean and protected for years and years to come. Unfortunately, most folks don't realize how harmful harsh detergents can be on leather, vinyl, and textured plastic. Harsh cleaners leach the color and cut the sheen right off of fine interior finishes.