1. Lysol (, LYE-sol; spelled Lizol in India) is an American brand of cleaning and disinfecting products distributed by Reckitt, which markets the similar Dettol or Sagrotan in other markets. The line includes liquid solutions for hard and soft surfaces, air treatment, and hand washing. The active ingredient in many Lysol products is benzalkonium chloride, but the active ingredient in the Lysol "Power and Free" line is hydrogen peroxide. Lysol has been used since its invention in the late 19th century as a household and industrial cleaning agent, and previously as a medical disinfectant. == History == The first Lysol Brand Antiseptic Disinfectant was introduced in 1889 by Gustav Raupenstrauch to help end a cholera epidemic happening 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. In 1911, poisoning by drinking Lysol... from wikipedia.org