You want to apply just enough to act as a binder without building up a shiny layer. If you want to use something other than an actual fixative or hair spray, you will probably come closest with very light mistings of a clear spray finish. You would probably want to experiment with scraps of the paper and some chalk scribbles before trying something with art you want to preserve. I'll suggest a few (untested) ideas of items you might have around that might help to prevent smudging, but they are also likely to affect the appearance. Once you get away from things that are designed for the purpose, there will be trade-offs and risks, and they generally won't be as good. There are fixative sprays optimized for the purpose, and hair spray will also work. So let us know your objective beyond just needing a fixative. If it's a question of corona virus and not wanting to venture out for a non-critical item, you could avoid handling the art until you can get a proper fixative. If it's a question of fumes, many kinds of products will be in the same boat. If it's a question of cost, it's just another art supply to protect your effort. and spray application would avoid smudging). I would think lots of clear spray finishes could work in a pinch (hair spray, clear paint-type finishes like lacquer, etc. It will be easier for people to offer relevant answers if we know your constraints what you want to avoid. See here for more experiences (and likely some troubleshooting).Īnd in case you have any shellac at home, you can try mixing it with isopropyl alcohol in a 1:4 ratio to create a shellac fixative 3, which you can apply using a spray can. Mix casein with (grain) alcohol and (distilled) water, in a 1:2:5 ratio. If you happen to have any casein lying around, a casein fixative might be a good alternative. The reason he opted for milk was because he wanted to get rid of the sheen of charcoal and graphite. Van Gogh protected a lot of his drawings using regular milk (and water) 1 - at times pouring out entire glasses over them. The easiest and most likely candidate for a homemade fixative is milk. Here are some additional recipes to complement fixer1234's extensive answer:
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