There is nothing more natural and enduring than oil painting.

For 600 years, oil colours have been made by grinding pigment into vegetable oil (most commonly linseed oil). Linseed oil is pressed from the seeds of the flax plant. The flax plant has been the heart and soul of oil painting, giving us both the oil our colours are bound in and – from the stalks of the plant – the linen we paint on.

Our mission is to lead oil painting into the future. For years, we’ve offered a range of contemporary painting mediums around fast-drying, soy-based alkyd resin, which are formulated with the mildest solvent available: Gamsol. As a thinner and brush-cleaner, Gamsol has set the standard for studio safety and allows painters to work in traditional and contemporary painting techniques.

Though many painters have adopted Gamsol, we have worked with other painters who want to eliminate all solvent from their painting processes. It is in this spirit that we introduced a range of Solvent-Free Painting Mediums, to give painters more possibilities in solvent-free techniques, with less compromise. This page discusses our range of Solvent-Free materials (Solvent-Free Gel, Solvent-Free Fluid and Safflower Oil) and helps painters navigate their use in the painting process.

More info found here