High speed hair dryers are different from traditional hair dryers, high-speed hair dryer uses powerful airflow to dry your hair instead of hot temperatures, they will protect your hair and scalp well while drying. Also the hair dryer with negative ions output to keep your hair's moisture.

A hair styler includes a hair dryer nozzle, styling nozzle, barrels for curling, and straight comb, those different attachments could fulfill your different styling needs and could be used for various types of hair, it is also combined with negative ions, it could make your hair smooth while styling. 

A hair straightener, a flat iron or hair iron, is a styling tool used to straighten and smooth hair. It typically consists of two heated plates that are pressed together to straighten the hair as it is passed through them. Some hair straighteners have adjustable heat settings, allowing the user to select the appropriate temperature for their hair type. They can also come with other features such as ceramic plates, ionic technology, and infrared heat. Hair straighteners can be used on all hair types and textures, but it's important to use the appropriate heat setting to avoid damaging the hair.

An electrical massage comb is a styling tool that resembles a traditional comb but with a heating element built into it. The comb is heated to a high temperature and then used to straighten the hair by running it through the hair from roots to tips. The hot comb is particularly effective on coarse, curly, or frizzy hair, as it can straighten the hair more effectively than other tools.
The hot comb is also called a "pressing comb" or "thermal straightening comb" and it's a traditional tool used by African-American people for hair styling, but it can be used by anyone. The heat can be adjusted depending on the hair type and texture, but it is important to use a heat protectant before using the hot comb, to avoid hair damage. The comb can be made of metal or ceramic, and the metal ones can be coated with titanium or tourmaline to prevent hair damage.