In this video, we cover some different sealers that can be used to keep glitter from flaking off.

Comment- Long but lots of good data!
?This video covers the following sealers to use to keep glitter from flaking-
Epoxy, Faux Finish Glaze, Gloss Medium, Ever Clear Solvent Urethane, Varathane & Minwax Spar Urethane, Polycrylic, Krylon Glitter Blast & Crystal Clear, Mod Podge Gloss, Mod Podge Outdoor, Clear Guard Clear Lacquer and Matrix MS 42.

Glitter Usage Chart

Solvent Based Sealers need Solvent Resistant Glitters. This chart can help you identify those types of glitters.