NIB Jane Iredale liquid minerals foundation 1.01 oz Warm Silk-discontinued product (also have warm sienna if interested) New, never used. Jane Iredale Liquid Minerals Foundation is a liquid foundation that provides sheer to medium coverage. It is lightweight and feels like a serum on the skin. It contains ingredients such as hyaluronic acid, vitamin C, glycerin, algae, and avena sativa (oat) kernel extract. Reviews note that it goes on smoothly, helps minimize the appearance of pores and fine lines, and provides great coverage.