There are lots of questions about using polymer clay glaze, varnish, or sealer. But first you need to ask "Do you have to seal polymer clay?"
The Blue Bottle Tree
No, you don't have to seal it. #polymerclay
PYM II Polymer Clay Spray Sealer - The Blue Bottle Tree
Buy Courses - The Blue Bottle Tree
Fix sticky polymer clay sealers by doing this trick
Do You Have to Seal Polymer Clay? - The Blue Bottle Tree
Do you have to seal polymer clay? Polymer clay tools, Polymer clay projects, Polymer clay ornaments
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The Blue Bottle Tree
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Having difficulty with Finish : r/polymerclay