Tracked by Evreward since 2020, Penhaligon's offers coupons, cash back rebates and rewards, with savings as high as $50 off. Penhaligon's discount coupons are somehwat rare, available a few times each year. Even when Penhaligon's doesn't have a coupon, you can always get up to 15% cash back, and other great rewards, with every purchase.