Spectrafix Degas Pastel Fixative Concentrate - 2oz Bottle - SpectraFix Concentrate is a convenient way for traveling artists to carry fixative on airline flights. On arrival at your destination, simply mix with colorless high proof (%) spirits such as vodka, Everclear, or rum in spray bottle. Makes 16 oz total. SpectraFix dries quickly to a non-yellowing matte finish. It is non-toxic, odorless, and 100% archival. This unique fixative is milk casein based and will work with pastel, pencil, charcoal, watercolor, and mixed media.