Medicis Pharmaceutical Corporation was founded in 1987 and is headquartered in Scottsdale, Arizona. Medicis Pharmaceutical Corporation operates as a specialty pharmaceutical company in the United States and Canada. It develops and markets products for the treatment of dermatological, aesthetic, and podiatric conditions. The company's products address various conditions or aesthetic improvements, including facial wrinkles, acne, fungal infections, rosacea, hyperpigmentation, photoaging, psoriasis, skin and skin-structure infections, seborrheic dermatitis, and cosmesis. Its products include DYNACIN for the treatment of acne and acne-related dermatological conditions; PLEXION, a cleanser product; SOLODYN for the treatment of inflammatory lesions; TRIAZ, a benzoyl peroxide pad for the topical treatment of acne vulgaris; and ZIANA, a gel used on the skin for treatment of acne in patients 12 and older.Medicis Pharmaceutical also offers LOPROX, a shampoo; PERLANE and RESTYLANE for the correction of moderate to severe facial folds and wrinkles, such as nasolabial folds; and VANOS, a corticosteroid indicated for the relief of the inflammatory and pruritic manifestations of corticosteroid responsive dermatoses. In addition, Medicis Pharmaceutical provides non-dermatological products, including AMMONUL for treating hepatic encephalopathies; and BUPHENYL for the treatment of urea cycle disorder. The company sells its products primarily to wholesale pharmaceutical distributors and retail pharmacy chains. It has a joint development agreement with IMPAX Laboratories, Inc. to develop of five strategic dermatology product opportunities, including an advanced-form SOLODYN product; a strategic alliance with AAIPharma, Inc. for the development, commercialization, and license of a key dermatologic product, SOLODYN; and a strategic collaboration with Hyperion Therapeutics, Inc. for the research and development of a compound referred to as GT4P for the treatment of urea cycle disorder and hepatic encephalopathies.