A barrel for a hair styling appliance includes an external surface and a heater-mounting surface inside the barrel. The heater-mounting surface is integrally formed with the external surface, and the barrel may be formed as a single extruded metal component. A barrel assembly includes the barrel, and one or more heater elements mounted on the heater-mounting surface. A hair styling appliance, such as a curling tong, curling wand or hot iron brush includes the barrel assembly. A heater element for a hair styling appliance includes a substrate having a conductive track for generating heat upon application of an electrical current thereto, and an integral temperature sensor. Manufacturing methods are used for making the barrel, barrel assembly, hair styling appliance, and heater element.

The present invention provides a hair straightening comb with electric-heating and atomization, including a hair straightening comb body, a control circuit board disposed inside the hair straightening comb body, a cartridge assembly for essential oil atomization, and teeth at one end of the hair straightening comb body, where the cartridge assembly includes a ceramic heating strip for heating atomized essential oil, and mist outlets for spraying mist are further provided on the hair straightening comb body. An air pump assembly for pumping mist from the cartridge assembly part to the mist outlet parts is further disposed inside the hair straightening comb body, where the air pump assembly is interconnected to the cartridge assembly through an air inlet hose, and the mist outlets are interconnected to the cartridge assembly through a mist outlet hose; and the teeth includes anti-scald teeth and shape-matching hardware teeth.

A personal defense tool has a secondary function as a hair styling tool. The personal defense tool includes a handle portion for grasping by a user's hand or fingers, and a plurality of prongs extending from the handle portion. The prongs are configured to puncture a skin surface of an attacker while also being configured to comb or be retained within a user's hair.

A straight hair comb with a detachable and heat-insulating comb cover is provided; which includes a main body, the main body is provided with a heating comb head and an installation chamber located at an area of the heating comb head. The installation chamber is detachably connected to the heat-insulating comb cover. The heating comb head is provided with metal comb teeth, and the heat-insulating comb cover is provided with through holes corresponding to the metal comb teeth. The metal comb teeth pass through the through holes and are extended into the heat-insulating comb cover. By designing the heat-insulating comb cover as a detachable structure, a user can easily remove it for cleaning. Thus, the user can quickly remove dirt and broken hair from the straight hair comb, thereby maintaining the hygiene of the comb and increasing the favorability and satisfaction with this product.

A personal defense tool has a secondary function as a hair styling tool. The personal defense tool includes a handle portion for grasping by a user's hand or fingers, and a plurality of prongs extending from the handle portion. The prongs are configured to puncture a skin surface of an attacker while also being configured to comb or be retained within a user's hair.