👉 Shampooing is a process in which a person applies a liquid cleanser or soap to their hair, scalp, or body. It is often used for cleaning and removing dirt, oil, and other substances from the surface of the skin. The term "shampooing" refers to the act of applying a liquid cleanser or soap directly to the surface of the skin in order to remove impurities and keep it clean. Shampooing can be used as an effective way to maintain good hygiene