This color is available in various binding oils. This one alternatively comes bound in Cold Pressed Linseed Oil— the two are different. One can select which oil one would like on the RGH website when placing an order. Warning: Contains Lead. While we cannot comment on the toxicity of every painting material (we are artists, not toxicologists after all). However this pigment is extremely toxic. Please do your due diligence and consult the manufacturer as well as do your own research about how to handle this pigment. Please take due cautions if you choose to use this pigment and keep it far from children or any other vulnerable populations.