RGH also makes Cremnitz White in several other oils. This one is bound in Linseed Oil, and another different version of this paint is bound in Cold Pressed Linseed Oil (CPLO). The two are distinct. At the time of this writing, the variety of binding oil can be selected via their website. 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.