How to seal and store oil pastels | Sennelier fixative vs hairspray - YouTube
Amazon.com: SENNELIER Latour Spray Fixative, Clear, 400 ml
Talens Varnish for Oil Pastels | BLICK Art Materials
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