A hair drier is an electric appliance commonly used to dry and style hair. Although it is known by its popular name, there are several other synonyms for this device, including blow dryer, hairdryer, and hair blower. In some regions, it is referred to as a blowout machine, while others call it a hairbrush dryer. Additionally, it may be known as a styling dryer or a hot air brush. Regardless of the name, the primary function remains the same - to provide heated airflow to dry and style hair. With the availability of various types and styles, there is a hair drier suitable for every hair type and desired style.