Corrector for double chin and cervical vertebrae, comprising a hoop (1) that is placed around the patient's neck and a positionable articulated device formed by a bridge (3) and a shaft (4) with a stop element (5) therebetween to prevent same from rotating inwards towards the neck, and a extendable telescopic arm (7) supporting an element (9) used to support the lower jaw. The moving elements are secured using screws.