However, SuperTDI, your interior is spotless...may look into the gear you use.
Well, you have the info. Einszett is german and certainly you have a nacional distributor.
My steering wheel and gear shifter are in leather. I've used a leather care product also from Einszett. Perfect touch, feel and looking new again.
I have to say that every surface in the interior (also in the exterior...) have a perfect touch - so smooth. I like it, a lot.
I also use their polishes - the best. I use their raindance shampoo kit - wonderfull.