Tracked by Evreward since 2009, Yves Saint Laurent Beauty offers coupons, cash back rebates and rewards, with savings as high as 50% off. Yves Saint Laurent Beauty discount coupons are rare, only available once or twice a year, and can be less valuable than similar merchants. Even when Yves Saint Laurent Beauty doesn't have a coupon, you can always get up to 18% cash back, and other great rewards, with every purchase.