Beleeve Minerals-Makeup Concealers. Mineral loose powder concealer for added perfection. Use over or under your favorite mineral makeup foundation on dark areas, or dot directly on problem spots with concealer brush. A fabulous eye-shadow base just apply to entire eyelid. Use mineral loose powder concealer to lighten your naturalMinerals foundation. Apply with a damp brush for a more opaque matte finish. Customize color by mixing with naturalminerals face, cheek and eye colors for beautiful customized designer shades.