From Serge Lutens, a car diffuser that uses the same cartridges as the brand's electric (home) diffuser. "Distinctive and elegant, the car scent diffuser has been designed to receive Serge Lutens at Home scented diffuser cartridge to provide an almost immediate diffusion of the chosen fragrance. Interchangeable at any time, they conjure up a memorable olfactory journey over and over again." $68 at Serge Lutens; the cartridges are $56 each.