Gamblin Solvent-Free Gel gives colors more flow and transparency and has a moderately fast drying rate. Made from safflower oil and alkyd resin, in contains to Gamsol or petroleum products in its formula. Solvent-free mediums are true to historic working properties, but are a safer and more permanent option. Solvent-free gel supports a wide range of painting techniques and allows you to maintain the best color, drying time and texture. Increase gloss and hold the shape of your brush marks, without the noxious fumes of traditional oil mediums.