Real Techniques Miracle Complexion Sponge is a 3-in-1 multi-functional blending sponge for applying foundation and is ideal for liquid foundation. The Miracle Complexion Sponge is the #1 makeup sponge for smooth foundation application. Use the rounded sides to blend larger areas of your face, leaving you with a complexion that’s smooth, enhanced and gorgeous! It can be used damp for a dewy glow or dry for full coverage.