pastel fixative

pastel fixative

[pa′stel ′fik·səd·iv]
(materials)
A thin varnish material for the simple and even application to drawings; only enough fixative should be used to keep the pastel particles from falling off the paper.
References in periodicals archive ?
Wynfield's use of the same technique for photographic portraits therefore makes complete sense - it was a case of developing fluids against pastel fixatives.