Hydrogen Peroxide 30%

Hydrogen peroxide is a mild antiseptic used on the skin to prevent infection of minor cuts, scrapes, and burns.
It may also be used as a mouth rinse to help remove mucus or to relieve minor mouth irritation (e.g., due to canker/cold sores, or gingivitis).
It is commonly used as a laboratory reagent and also in its vapor form as a sterilizer