I have attached a few pictures of the worst areas of my leather. What I am most concerned about fixing is the arm rest which has become disgusting. Could you please recommend which steps and products to use?

Pic. #1
Name:  20190430_141146.jpg
Views: 78
Size:  6.95 MB

Pic. #2
Name:  20190430_141200.jpg
Views: 84
Size:  8.49 MB

Pic. #3
Name:  20190430_141208.jpg
Views: 78
Size:  7.93 MB