I have a fiberglass tub that was installed 2 years ago and never used. The paper labels were partially removed when the tub was cleaned a few times by the maid. However, the glue from the labels is stuck fast to both end sides. Tried wd 40, and it removed the remaining paper. The glue is hard and fast to the sides.

Afraid to use Goof Off or similar products as I have damaged surfaces with that before.

Thanks for the help.

The way I remove car badges with hard glue is to flick up the very edge of the glue with a razor blade then get a very thin piece of wire, wrap either end around a pencil then pull it down between the glue and the car, making sure you put more pressure on the glue side so you don't scratch the paint underneath :)