Stiefel Laboratories is a global dermatological pharmaceutical company, with its global headquarters in Research Triangle Park, North Carolina. It makes products such as Duac and Oilatum. Stiefel was acquired by GlaxoSmithKline at a price of $2.9 billion. The company was founded in 1847 by John David Stiefel, Ferdinand von Hebra and Paul Unna, who initially created medicated soaps. The companys origins lie in the J.D. Stiefel Company which was established in 1847, in Germany, by John David Stiefel; its first products were candles but the company began making medicated soaps within several years of its founding. In the 1880s, the company began worldwide export of its products. The companys products were brought to the United States for the first time by August C. Stiefel, the grandson of J.D. Stiefel (the founder), in 1910 and named the company Stiefel Medicinal Soap Co., Inc.