Stack a Clean & Clear manufacturer coupon with a coupon from the Walgreens February Savings Book, valid as of yesterday! Find the monthly savings books in the front of the store with the weekly ads. Then redeem a Checkout 51 offer for $1.00 back. Checkout 51 is a new app that pays you when you make select purchases. You don’t even need a smartphone! Look for clearance Clean & Clear products and you may find a freebie! Remember that clearance can vary from store to store.