Review Products For a Chance to Win a $500 Gift Certificate From Benefit Cosmetics Since 1976, Benefit Cosmetics has offered up makeup items that are both whimsical and downright cool — like the iconic Benetint cheek and lip stain. 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!