Steam hairdressing appliance with steam containment means

Provided is a hairdressing appliance comprising a portable treatment unit equipped with two arms configured to form a clamp provided with two surfaces positioned opposite each other that enable the simultaneous clamping of a lock of hair. The portable treatment unit comprises steam spraying means that is configured to disperse the steam from the first of two surfaces towards the second of the two surfaces. The appliance comprises a means for containing the steam dispersed between the two surfaces that are pressed together. Thus provided is a hairdressing appliance whose performance is comparable to that of hairdressing appliances with high flows of steam, yet while using a reduced flow of steam.