The present disclosure relates to a hair curler, which includes a housing and a hair curling device. The housing is configured to be held by a user. A chamber for receiving hair is defined in the housing. An opening communicated with the chamber is formed in the side, opposite to the side that matches a human hand, of the housing. The hair enters or leaves the chamber through the opening. The hair curling device is disposed in the chamber. The hair curler has the advantages of a small size, a simple structure, extremely convenient operation and great humanization.

The present disclosure relates to a hair curler, which includes a housing and a hair curling device. The housing is configured to be held by a user. A chamber for receiving hair is defined in the housing. An opening communicated with the chamber is formed in the side, opposite to the side that matches a human hand, of the housing. The hair enters or leaves the chamber through the opening. The hair curling device is disposed in the chamber. The hair curler has the advantages of a small size, a simple structure, extremely convenient operation and great humanization.

The present invention relates to a photoreactive hair treatment apparatus which enables the styling of a desired shape, the prevention of damages to hair and the treatment of hair to be glossy and resilient, and can reduce a treatment time of an agent used for treating hair. The photoreactive hair treatment apparatus comprises: a light source for emitting light; and a power supply unit for supplying power to the light source, wherein the light source is arranged to emit the light toward hair onto which a hair treating agent is applied. As such, the present invention has the effect of enhancing hair treatment efficiency by reducing the acting time in which the hair treating agent has effects on the hair.