Guy Raz interviews the world’s best-known entrepreneurs to learn how they built their iconic brands. In each episode, founders reveal deep, intimate moments of doubt and failure, and share insights on their eventual success. How I Built This is a master-class on innovation, creativity, leadership and how to navigate challenges of all kinds. 
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Working as a Hollywood makeup artist in the early 2000s Rea Ann Silva designed a sponge that reshaped the face of beauty. She'd been looking for a technique to simplify makeup touch-ups without worrying about the smudges or streaks that were easily detected on HDTV. Her solution? A teardrop-shaped sponge—hand-cut from a foam wedge—that could apply makeup from any angle and absorb just enough water to be extra-efficient. Actors and fellow makeup artists raved about the sponge so Rea Ann cold-c

Beautyblender: Rea Ann Silva

How I built this