While this special offer is active, you can score a free CoverGirl eyeliner! Normally priced at $7.99, it is currently on clearance for $1.99. There is a coupon for $2 off on the Walgreens site which you can combo with this offer making it totally free!
Simply head to the page and you should see the $2 coupon listed under “Your available coupons”. Checkout after adding it to your cart, the final price should be free!