Heavy cut, for chalky oxidation
3M Perfect-It Gelcoat Heavy Cutting Compound
Not yet tested by us.
For heavily oxidized, chalky gelcoat. Follow it with a finer compound or polish.
See price on AmazonMedium cut, for moderate oxidation
3M Perfect-It Gelcoat Medium Cutting Compound + Wax
Not yet tested by us.
A medium cut compound for moderate oxidation.
See price on AmazonShurhold Buff Magic
Not yet tested by us.
A compound for medium to coarse oxidation.
See price on AmazonFinishing polish
3M Perfect-It Gelcoat Light Cutting Polish + Wax
Not yet tested by us.
A light polish to bring back gloss and remove swirls after compounding.
See price on AmazonHow to use them
See our oxidation guide. Gelcoat is thin, so stop if the color starts to look see-through.
If you buy through a link on this page, I may earn a commission at no extra cost to you. How that works. Last checked October 2026.

Timmy Mohar, Nautical Glow Marine
I run a boat detailing business in Southwest Florida and on the North Coast of Ohio. I have spent every year of my life around boats and taking care of them. About this site