Are you a makeup guru? Do you ever mix your makeup together to create the perfect shades? Got a great a idea for a beauty product? Then Smashbox and Sephora want to hear it.

They're launching a contest for people to create an innovative beauty product. The winner will get to design a Smashbox palette, take a trip to Los Angeles and receive a ton of Smashbox products. You can enter at the Sephora store in Hollywood, Calif., on May 8, or at Smashbox's Web site on May 1. Good luck!