How to clean this styling size G3?

[TheBeatlesPkmnFan42]

I have a styling size G3 Rainbow Dash that I got at a thrift store a few years ago and hadn't gotten around to cleaning her. I had taken these photos about 30 minutes ago to be "before" pictures to post in the restoration thread and I was planning on cleaning all the marks off of her and washing her hair.

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I was able to get most of the marks off of her with a magic eraser, but the bright pink marks, which are the main issue she has, remain. They're hard to see in the images without viewing them at full size.

These marks are caused by stickers that were on her when I got her, how do I go about removing them? Does she need to be sunfaded? If so for about how long?

[invaderhorizongreen]

I would try sun fading them just make sure to cover the symbols and hair.