Pssssst! PROFESSIONAL SIZE, the original dry shampoo, is an effective solution to transform dull dirty hair without washing. Pssssst contains the perfected amount of powder to absorb excess oil, elminate odor and product build up while boosting volume. Hair looks, feels, and smells freshly shampooed without use of water. Just spray, brush and go! As seen in the Redbook segment of the TODAY Show on NBC "The huge can outlasts costly salon versions-and is a savior when we need to lose excess oil fast." -allure