From the Autoglym Concours Winner.......
Do not use Autoglym leather cleaner.
Use a soft damp cloth first to remove obvious stains and surface dirt, if you get a stubborn stain then use a tiny little dab of fairy liquid or something similar. When its dry, use a full on bees wax type of care system. Car leather on new vehicles should NOT be fed. The leather is treated very differently these days and feeding should be done only at about 12 months when heat, aircon and UV have really dried the finish out. When it start to get stiff, or seems to get slightly slack in the seat, thats the time to feed it. DO NOT feed leather at more than 6 monthly intervals, you can do more damage by over moisturising it, causing it to sag and crease.
Autoglym is horrible. It leaves a fake shine and a white dry powder that on dark leather looks pants because you cannot get it off without some aggression. I have yet to see anyone who thinks it has done any good.