A hair steamer typically consists of a base unit with a water reservoir and a hood or cap that fits over the client's head.
The hood may be adjustable in height and can often be rotated to ensure even distribution of steam to all areas of the hair and scalp.
Hair steamers use electricity to heat water in the reservoir, creating steam that is released through vents in the hood.
The steam is warm and moist, providing hydration to the hair and scalp.