Graham Webb Thick Infusion Thickening Shampoo 33.8 oz - 1 Liter DISCONTINUED- Available while supplies last! Inflates hair with maximum body for overall style that looks and feels thick and full. Follow with Thick Infusion Thickening Conditioner. A daily thickening shampoo with the Thick Infusion System and Thermacore Complex, a U.S. patented ingredient.