Hair iron

Curling irons are typically made of ceramic, metal, Teflon, titanium, tourmaline.

Clipless wands have no clamp: the user simply wraps hair around a rod.

Some straightening irons are fitted with an automatic shut off feature to prevent fire accidents.

Walker used combs with wider teeth and popularized their use together with her system of chemical scalp preparation and straightening lotions.

[4] Heated metal implements slide more easily through the hair, reducing damage and dryness.

In 1909, Isaac K. Shero patented the first hair straightener composed of two flat irons that are heated and pressed together.

The ceramic straightening brush has a larger surface area than a traditional flat iron.