COMPOSITION COMPRISING PARTICULATE ZINC MATERIALS HAVING A DEFINED CRYSTALLITE SIZE

摘要

The present invention discloses a composition comprising a particulate zinc material wherein the particulate zinc material has a crystallite size less than 600 .ANG.. The present invention further comprises a shampoo composition comprising an effective amount of a surfactant, an effective amount of a particulate zinc material, an effective amount of a metal salt of pyrithione, and an effective amount of a suspending agent wherein the particulate zinc material has a crystallite size less than 600 .ANG..