Yes. There are no
guidelines that prohibit you from bringing your hair dryer in your carry-on
luggage. If you are not still sure, you can check with the Transportation
Administration (TSA) official website.
Ionic technology means
your hair dries faster and more gently. This works by releasing negatively
charged ions that help keep hair cuticles closed, allowing the inside of your
hair to retain moisture. This makes the hair more smooth and shiny.