I've used Leather Master products for a while, but I've always had black interiors and could never really see what the product was accomplishing. This past weekend I cleaned up the light interior of my mother in-law's Lexus. The pictures speak for themselves.
Driver's seat 50/50:
Damage here was minimal. Just some normal dye transfer and dirt.
Rear seat 50/50:
This is where the golden retreiver and grand kids reside and it showed. The Strong Cleaner cut right through it no problem.