Is there a way of completely sealing a charcoal drawing on paper with spray resin varnish so that it could be handled without losing any of the detail? - Quora

How can charcoal art be made permanent? - Quora

How I Seal My Charcoal on Canvas Originals

What are natural, non-spray fixatives for charcoal writings and drawings? - Quora

How to set charcoal drawing hairspray - Quora

Can you use Krylon “Matte Finish” spray as a fixative substitute for charcoal drawings? I intend to work fine details and smooth gradients, would it fix the charcoal just as good as

Is fixative necessary, or useful, for drawings made with graphite and charcoal? - Quora

How can charcoal art be made permanent? - Quora

How can charcoal art be made permanent? - Quora

How can charcoal art be made permanent? - Quora

How can charcoal art be made permanent? - Quora

How To Resin Charcoal? – ArtResin