Prep Finish PowderA pore refining invisible second skin that protects against blue light and environmental pollutants while extending makeup longevity. Aleph Prep Finish Powder prepares, perfects and protects the skin, with the added function to set, mattify and enhance makeup for extra coverage and longevity. Designed to be layered, use as a finishing powder to set your makeup, including the eyelids. Or add a new dimension to your lip tint and mattify your lip colour.