Can any ingredients replace arrowroot in eyeshadow making?

I want to create my own eyeshadow, rthe problem is I cant find arrow root anywhere. is there an ingredient that cud replace it?Can any ingredients replace arrowroot in eyeshadow making?
You can buy arrowroot at specialty food stores, I think Whole Foods and any of those large organic markets sell it. Try looking online for it also. Arrowroot is used in cooking to thicken sauces, and is usually used in place of cornstarch, so cornstarch might replace it, but try looking at those stores and online first.