Car Shampoo. Power Foam Technology MTX® Car Shampoo has superb Power Foam Technology in the market today. Guarantees you more cleaning power that won’t strip wax on your paint surface and maintains gloss longer. It is safe and easy to remove dirt, grime, and road films. It is guaranteed streak-free and spot-free. Won’t strip wax formula. Easily remove dirt, grime, and road films. Maintains paint gloss longer.