Since 1976, Benefit Cosmetics has offered up makeup items that are both whimsical and downright cool. With products like the iconic Benetint, Lemon Aid, and BADgal Lash Mascara, it's easy to enhance your features with their signature, innovative makeup creations. And now, our friends over at Benefit have an offer that's too good to pass up. For the next five weeks (from now until March 23), five lucky readers will have the chance to win $500 each in Benefit Cosmetics gift certificates!

To enter, all you have to do is complete a minimum of three reviews on the Product Reviews website to be eligible to win each week. The more reviews you submit, the more entries you will have. Oh, and if you're not familiar with our ever-expanding Product Reviews site, it's a wonderful resource for discovering what other readers think about more than 50,000 beauty items ranging from hair accessories to the latest fragrances to the best (and worst) mascaras. You must be a TeamSugar member to write reviews, so log in or register for a free account if you don't have one. And don't forget to invite your friends. For the complete rules, click here. So what are you waiting for? It's time to voice your beauty opinions for the chance to win big with Benefit Cosmetics.