Tire marks stain is carbon black pigment, unlike dyes may not be removed 100%. The max so far is a 80-90% by Laszlo
On his 2005 Audi with cream beige leather interior.
Bleach-9.9 was not used, but could be recommended as booster after the first phase by using Prep-7.7. in this white leather. The worst scenario is to have a light color touch-up thereafter.
Kit Ap5.di is the recommended kit.
Leather Doctor® Auto Pigmented Leather Care + Ink/Dye + Bleach + Topcoat = Kit Ap5.di
Roger Koh
[email protected]