This is the last week of the buy two get one free Walgreens deal on hair care! Buy Suave Dry Shampoo, and use a buy two get one free coupon from the 4/23 Smart Source newspaper coupon insert. Buy four Suave Dry Shampoos. One will be free from the coupon, and one will be free from the monthly store promotion. The final price will be $1.75 each.