A workable fixative is primarily meant to be used while you are creating your artwork. It is helpful to add layers of workable fixative occasionally to protect against smudging pencil, pastel or charcoal.

Is workable fixative permanent?

It is most commonly used to seal graphite, charcoal, chalk, and oil pastel. Fixatives come in two varieties, workable and permanent. ... Some workable fixatives erase and allow editing of the already sealed portion. Permanent (or non-workable) fixatives are used for the protection of finished art work.

Can I use workable fixative on canvas?

Regardless of what substrate you're working on (whether it's paper, canvas or board) or what media you're working with, fixative makes almost anything possible.