Finally got around to working on the wife's 03' Accord leather interior. I don't believe the previous owner knew anything about taking care of the interior of the vehicle. The dash looks like it never got any sort of UV protection and the leather seats have definitely seen better days.
I did a test spot cleaning using OPC diluted 10:1 sprayed on and agitating with a Swissvax leather brush and wiped off with MF. It's hard to tell from the pictures but right side has been cleaned.
After cleaning the interior I tried out the Tantex using a basic yellow foam aplpicator. The leather sucked up the dressing and there really wasn't anything to buff off after about 30 seconds.
Like I said, the leather has definitely seen better days and with the way it soaked up the Tantex I'm wondering if I should try putting another coat on or moving up to something stronger. Any suggestions?