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Final Fixatives are non-workable, and should be used only when the artwork is completed. Apply the fixative lightly, without wetting or soaking the paper. Once the fixative has been applied, it provides some protection against smudging and ultraviolet light.
Workable Fixatives allow you to continue your work on a piece. Use workable fixatives between layers, or apply them when you want to protect an unfinished piece and return to work on it later.
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