Allergan plc, formerly Actavis plc, is a global specialty pharmaceutical company. The Company is engaged in the development, manufacturing, marketing, and distribution of brand name, medical aesthetics, generic, branded generic, biosimilar and over-the-counter (OTC) pharmaceutical products. The Company operates through five segments: US Brands, US Medical Aesthetics, International Brands, Global Generics and Anda Distribution. The Company's brand portfolio includes six franchises in therapeutic categories: dermatology and aesthetics, central nervous system (CNS), eye care, women's health and urology, gastroenterology (GI) and cystic fibrosis, and cardiovascular and infectious disease. The Company has operations in over 100 countries. In addition, the Company offers dry eye development programs, such as OD-01, a nasal neuro stimulation device that increases tear production in patients with dry eye disease.