Interior Cleaner Expert: Anti bacteria and deodorant functions. Suitable for door panels, seats, dashboard and other leather/plastic parts etc. Leather Coat Expert: Quickly restore the original colour and luster of leather. Prevent from UV rays, reduce dullness and discoloration. Ion Air Catalytic Expert: Through chemical capture and reaction, continuous and effective removal formaldehyde. The formulation effectively kills 99% germs, formaldehyde, benzene, ammonia, TVOC toxic gas etc.