Matrixx Initiatives was founded in 1991 and is headquartered in Bridgewater, New Jersey. The company manufactures homeopathic and allopathic over-the-counter (OTC) products, including cold remedy nasal spray and swab, allergy relief spray and swab, kids cold remedy relief, nasal congestion/sinus relief and total immune products. Its best known products are under the Zicam brand name.