Laura Mercier Illuminating Powder DetailsLaura Mercier Illuminating Powder is comprised of four different shades in one colour family that blend perfectly into the skin, adding illumination and radiance to any skin tone. The silky smooth formula applies naturally and evenly while adhering to the skin, providing longer wear. Dermatologist tested. Designer About Laura Mercier: Before she was known for creating the flawless face, Laura Mercier pursued her love of painting by studying art in Paris.