Laura Mercier Real Flawless Weightless Perfecting Foundation is a liquid foundation in shade 3W0 Sandstone, a light-medium shade with warm undertones. It offers medium, buildable coverage and a natural finish that blurs the look of pores, fine lines and uneven tone. The waterproof formula resists humidity and sweat and is designed to last up to 12 hours. It is non-comedogenic, dermatologist tested and suitable for all skin types.