Getting off laptop decal imprints?
So I've been using a cute Pikachu decal for awhile. Every now and then I switch colours. But I noticed something - I can see the imprint of the Pikachu even though I took the decal off. I only see the imprint when I use a cloth with water and wet the laptop case. I want to get rid of the imprint but I'm not sure how? What cleaner would be safe to use to remove a decal imprint and not damage the macbook?
MacBook Pro, 35 month old Macbook