Merck Kommanditgesellschaft auf Aktien develops, manufactures, and markets pharmaceutical products and laboratory chemicals worldwide. The Merck Serono division primarily offers various prescription drugs, including Erbitux for metastatic colorectal, head, and neck cancer; UFT for colorectal cancer; Rebif for multiple sclerosis; Gonal-f Ovitrelle Pergoveris, Luveris, Crinone, and Cetrotide for infertility; Saizen for growth hormone disorders; Serostim for HIV-associated wasting; the Glucophage family for type 2 diabetes; the Concor family for cardiovascular diseases; Euthyrox for thyroid disorders; Raptiva for psoriasis; and Cyanokit for cyanide poisoning. The Consumer Health Care division offers over-the-counter products for preventive health care and self-treatment of minor ailments. Its product portfolio includes products to strengthen the joints under the Seven Seas brand; the vitamin products Cebion, Bion 3 (Multibionta), and Diabion for everyday health protection; Femibion and Kidabion health brands for women and children; and Nasivin, a cold remedy. The Liquid Crystals division offers liquid crystals and mixtures for use in LCD televisions, computer monitors, notebooks, digital cameras, mobile phones, PDAs, MP3 players, and various other displays. The Performance and Life Science Chemicals division supplies reagents for analysis and other applications; various products for analytical chromatography, microbiology, and food and environmental analysis; and a range of solvents, salts, acids, alkalis, and organic chemicals. It also offers separation and purification materials; ionic liquids; active ingredients used in pharmaceuticals, cosmetics, and sunscreen and skin care products; active ingredients for food supplements; biological crop-enhancing technologies in crop bioscience; and products for technical applications, as well as pigments for various applications. The company was founded in 1668 and is headquartered in Darmstadt, Germany.