To eliminate a frequent repetition of the straightening process as compared with prior art hair straightener devices.

A hair straightener device encompasses a straightening mechanism that is comb-like. The straightening mechanism includes tines 5 spaced apart from each other by one hair receptacle 10 and disposed in a row; at least one first molded part associated with each tine 5 and disposed in a movable manner relative to an additional tine 5 that surrounds the hair receptacle 10; and a second molded part associated with one of the additional tines surrounding the hair receptacle, forming a hair shaping slit 11 between the first and second molded parts of the hair receptacle 10.