Many commercially available ear drops contain hydrogen peroxide. Using too much can have a negative effect. Learn more here. ... Label: Hydrogen peroxide 3 percent – hydrogen peroxide liquid.

Introducing oxygen by drinking hydrogen peroxide can result in serious injury and even death. Experts warn against ingesting any concentration of hydrogen peroxide and say it does not cure infections.

Find out the differences between rubbing alcohol and hydrogen peroxide, and learn the pros, cons, risks, and benefits of using them as antiseptics. ... Always read the label and follow directions.