Care for your scalp and clear away dandruff with this shampoo containing zinc pyrithione (ZPT). ZPT is suspended and stabilized in the formulation with the help of Carbopol? SC-800 polymer, which also acts as the thickening agent to build up viscosity. The shampoo also contains Merquat? 280NP polymer and Merquat? 2001 polymer, a combination which delivers excellent combing and detangling properties.