Solvent-Free Gel gives colors more ow and transparency, yet holds the shape of your brushmark. Solvent-Free Gel has a moderately fast drying rate and increases gloss. Made from sa ower oil and alkyd resin, Gamblin Solvent-Free Gel is non-toxic and contains no Gamsol or petroleum distillates. In comparison to other solvent-free mediums, artists will nd that Gamblin Solvent-Free Gel supports the broadest range of painting techniques with the least compromise across color, dry time, texture and mark-making