This color is available in several different binding oils. At the time of this writing the choice of binding oil can be made when purchasing through their website. 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.