I thought there was sort of art spray. Check with Spurrel Gallery or
MF Kelly..
There is a fixative spray that you can use. I've sprayed numerous pencil
drawings will no ill effects. Kelly's should have it. It's a white can.
I just can't remember exactly what it's called.
..
The product is indeed a "Fixative" spray and the brand is KRYLON.
Kelly's has it or a similar brand. Fixatif is a common holding spray for
pencil drawings, pastel, and other graphic media. It will hold your
drawing to the canvas. There are also other sprays available which will
seal the drawing even more permanently.
Aside from Kelly's, another source would be St. Michael's at Stavanger...
OC