Ultima Antimicrobial Interior Shampoo Gel 22 oz. Bottle (ULT-6022) Ultima interior shampoo gel is a no rinse cleanser Car cleaner gel that will not remove the natural sheen of fine finishes Interior car cleaner that dries in minutes leaving a fresh clean scent Best car interior cleaner. Dirt and residue simply wipes away From the makers of the world's best car wash