IDUN Minerals face primer Iris gives a perfect base that helps the makeup stay all day long. Apply the primer before your foundation. The formula is silky and easy to apply.Iris is gray-colored before applying. It contains active charcoal, an ingredient that appears to be bactericidal to the skin. The gray shade disappears as soon as it is applied to the skin where it becomes transparent. Apply with IDUN Minerals Dual Sponge for a flawless result.100% vegan.