Studio Skin 24 Hour Wear Hydrating Foundation Smashbox Studio Skin 24 Hour Full Coverage Waterproof Foundation Shade : .1 Skin Tone : Very Fair Undertone : Neutral Size - 1 oz A high performing liquid foundation powered by Hyaluronic Acid that's proven to stay put for 24 hours. The oil free formula easily builds from medium to full coverage, Giving you a fresh, natural matte finish that never settles into pores or lines.