Nanophase Technologies Corporation provides engineered materials, formulation development, and commercial manufacturing with an integrated family of technologies in the United States. It offers surface engineered zinc oxide and titanium dioxide for sunscreens and personal care products; fully formulated cosmetics, sun care, and skin care under the Solésence brand name; and advanced materials products, such as architectural coatings, industrial coatings, abrasion-resistant additives, plastics additives, medical diagnostics, and various surface finishing technologies applications. The company was incorporated in 1989 and is headquartered in Romeoville, Illinois.