lifehacker.com

You've Been Using Hydrogen Peroxide Wrong

Hydrogen peroxide is a household disinfectant made up of two parts hydrogen and two parts oxygen. The high oxygenation creates a foaming action when it is poured on, jarring loose bacteria and more deeply penetrating porous surfaces, helping to cleanse them. When poured on the skin, all that foam makes us believe the solution is doing something good for our cuts and bruises, too—but it’s killing b