This gelbased, solventfree painting medium supports a broad range of painting techniques with minimal compromise across colour, dry time, texture and markmaking.It gives colours more flow and transparency, yet holds the shape of your brush mark.This medium increases gloss and has a moderately fast drying rate.The nontoxic gel contains no Gamsol or petroleum distillates, and is made from safflower oil and alkyd resin.150 ml tube.