3 Simple Ways to Stop Oil Pastel from Smudging - wikiHow
update sorta: (oil pastels) i was told to try hairspray as a sort of fixative and i think honestly it worked pretty well, to nervous to try it on my favorite pieces
How to use oil pastels and what you can do with this underestimated media
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3 Simple Ways to Stop Oil Pastel from Smudging - wikiHow