Lysol (LYE-sol) is a brand name of cleaning and disinfecting products distributed by Reckitt Benckiser. The line includes solutions for hard and soft surfaces, air treatment, and hand washing. The active ingredient in many of the Lysol products is benzalkonium chloride. The active ingredient in the Lysol Power and Free line is hydrogen peroxide. Scents from Lysol include Crisp Linen, Floral, Fruit & Citrus, Gourmand, and Fresh. The first Lysol Brand Antiseptic Disinfectant was introduced in 1889 by Dr. Gustav Raupenstrauch to help end a cholera epidemic in Germany. The original formulation of Lysol contained cresols. This formulation may still be available commercially in some parts of the world.Formulations containing chlorophenol are still available in the United Kingdom.