The vacuum suction facial treatment uses a machine with cups to lift the skin and stimulate lymphatic and blood circulation. It works by applying suction through cups moved over the face to drain waste and improve skin condition. Precautions must be taken when applying the treatment, such as checking suction levels and releasing pressure before removing cups, to avoid bruising. The treatment benefits the lymphatic, circulatory, nervous, muscular and skin systems by improving drainage, blood flow, relaxation and cell metabolism.