Vicks is an American brand of over-the-counter medications owned by the American companies Procter & Gamble and Helen of Troy Limited. Vicks manufactures NyQuil and its sister medication, DayQuil. The Vicks brand also produces formula 44 cough medicines, cough drops, Vicks VapoRub, and a number of inhaled breathing treatments. For much of its history, Vicks products were manufactured by the family-owned company Richardson-Vicks, Inc., based in Greensboro, North Carolina. Richardson-Vicks, Inc., was eventually sold to Procter & Gamble in 1985. Procter & Gamble divested the Vicks VapoSteam U.S. liquid inhalant business and sold it to Helen of Troy in 2015.