A hair straightening hot comb works by using heat to temporarily straighten hair. When the comb is heated, it helps to break down the hydrogen bonds that hold the hair's natural shape, making it easier to straighten. As the hot comb is run through the hair, it smooths out kinks and curls, leaving the hair looking straight and sleek.
Most hot combs have ceramic or tourmaline plates that evenly distribute heat, and some even have adjustable temperature settings to ensure that the heat is appropriate for your hair type. It's important to use a heat protectant spray before using a hot comb to prevent damage to your hair, and to avoid using it on wet hair as this can cause breakage.
cnhairdryer.net