Allergan plc, a pharmaceutical company, develops, manufactures, and commercializes branded pharmaceutical, device, biologic, surgical, and regenerative medicine products worldwide. The company operates in three segments: US Specialized Therapeutics, US General Medicine, and International. It offers a portfolio of products in various therapeutic areas, including medical aesthetics and dermatology, eye care, neuroscience, urology, gastrointestinal, central nervous system, women's health, and anti-infective therapeutic products. The company also offers breast implants and tissue expanders; In addition, it develops medical and cosmetic treatments; treatments for neurodegenerative disorders; and inflammatory and fibrotic diseases. It has a collaboration, option, and license agreement with Lyndra, Inc. to develop orally administered products for the treatment of Alzheimer's disease; strategic alliance and option agreement with Editas Medicine, Inc.; and Allergan plc also has licensing agreements with Assembly Biosciences, Inc. The company was formerly known as Actavis plc and changed its name to Allergan plc in June 2015. Allergan plc was incorporated in 2013 and is headquartered in Dublin, Ireland.