Hydrogen peroxide is a widely used disinfectant that kills bacteria, viruses, and fungi. It is a powerful oxidizing agent that breaks down into water and oxygen, making it an eco-friendly choice. It can be used to clean surfaces, sanitize wounds, and even whiten teeth. It is available in different concentrations, and it is important to follow the instructions carefully as higher concentrations can cause skin irritation and damage. Hydrogen peroxide is a versatile and effective solution for cleaning and disinfecting.