Hydrogen peroxide is a chemical compound with the formula H₂O₂. It appears as a clear, colorless liquid and is known for its strong oxidizing properties. Commonly used as a disinfectant, it can kill bacteria and viruses, making it useful for cleaning wounds and surfaces. It is also employed in various industrial applications, such as bleaching and wastewater treatment. In addition to its disinfectant properties, hydrogen peroxide is often found in household products, including hair bleaches and teeth whitening agents. It decomposes into water and oxygen, which makes it relatively safe for the environment when used properly.