Sticky/melting buttons; like the actual texture is sticky

[Claid]

And

Sticky Buttons (the surface, not the action)

Tried a few searches and couldnt find an exact match for the problem I’m having. I’m not talking about the common problem where some buttons are misaligned and snag/stick on the nearby surfaces, causing the buttons to remain depressed. My problem is that the surface of my digitakt and digitone buttons has accrued a thin film of stickiness. It’s minor, but a little annoying. I’d like to clean them using something like Goo-Gone but am worried I may damage things. Has anyone encountered this probl…