Need a little help here.

I have just added some "chrome" to some of my classics figures. And the painted area is a little sticky. Can anybody recommend a good sealer that wont destroy the figure?
SEIBERTRON - Your Planet For Everything Transformers
https://www.seibertron.com/energonpub/
https://www.seibertron.com/energonpub/viewtopic.php?f=143&t=72176