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u/Starkeyfamilygaming 4d ago
I would normally say goo gone . But since you have a sticker , WD-40 . Spray on a rag they wipe it on . This should remove the blue .
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u/ska_lives 4d ago
Lighter fluid will also wake up the glue adhesive enough to clean it off as well.
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u/Traditional_Class363 5d ago
I think this is probably degraded cellophane tape. You’ll probably have to soak a cotton swab in anhydrous IPA and carefully work it off little by little, while being careful not to damage the sticker underneath. The IPA could also dissolve the adhesive holding the sticker down, and it might even damage the ink on the sticker itself.
Honestly, it might be better to just remove the sticker underneath too and replace it with a new one