There are a ton of great leather products on the market. I prefer Zymol leather conditioner/cleaner. It is very east to use, apply cleaner and wipe the seats with a wet cloth, then your done. One thing I stress is be very careful around the stitching and seams. Both can be damaged very easily and are extremely expensive to repair.

I condition my seats at least once every other month. Sometimes once a month during warmer seasons...