Noted for its most luxurious car care products that optimize the majesty of the vehicles they are applied to, and the only establishment that provides car wax individually tailored to your automobile’s requirements, the Scottish specialists in exotic and bespoke car care, holding an exceptional name with the most selective of clientele, Mitchell and King has now launched the world’s most expensive car shampoo. Dubbed as SPA, this completely bespoke car shampoo which is blended using the finest cosmetic ingredients is billed as the ultimate choice for the keen car collector who wishes to enhance the aesthetics and benefit the bodywork of their collector-edition cars. This luxurious bespoke shampoo packed in an engraved crystal decanter is available for $242.