Fixing anime figure yellowing?

[Glorian]

So I found this Nadesico figure I like, and the price is pretty cheap, but the front of the legs have really strong yellowing from the knees to the hips. Only in that area; the skin everywhere else (including the back of the legs) is a normal skin tone.

So I'm wondering if anyone has advice for removing, or at least significantly reducing, severe yellowing on a figure? A google search found people suggesting the use of hydrogen peroxide, but that was for action figures, so I'm not sure if that would work on a PVC anime figure. I've also seen people suggest Magic Eraser, but again, not on anime figures.

So has anyone tried any of these methods, or have any other methods they've tried? I'm looking for things people have actually done and have had success with, ideally.