Print four new coupons to save on Suave hair care! (Click the coupon links at the bottom of this post to print.) This month at Walgreens, all hair care products are buy two get one free. According to the Walgreens coupon policy, a coupon cannot be used on a free item. Buy three shampoos or conditioners and use one $2.00/2 coupon for a final price of $2.19.