A bold, brilliant ultramarine blue pigment! Ultramarines are graded safe for cosmetic use and are produced synthetically in order to avoid the inclusion of impurities normally found in naturally occurring iron oxides including ferrous or ferric oxides, arsenic, lead and other poisonous substances. "Amazing!! This blue is absolutely amazing. It is the perfect deep blue. It is definitely a must have for your collection!!! A little bit goes a long way!!"—Cassidy Z. (verified) A little goes a long way.  Please start with small amounts and slowly increase to avoid over pigmentation.