This technology has been in existence since the last century. The very first high frequency current device was pioneered by an inventor known as Jacques-Arsène d’Arsonval and it is known to us today as d’Arsonaval. The device works by sending high electrical current frequencies through glass electrodes to your skin. When the thermal and electrical energy reaches the skin cells, it stimulates them and produces collagen and kills bacteria. INDICATIONS FOR THE EXERCISE OF TREATMENT: disinfection of the skin, treatment of nerve pain, disturbances of skin sensation, alopecia aerate, in order to stimulate blood circulation. CONTRAINDICATIONS TO EXERCISE TREATMENT: pregnancy, hypertension, swelling, hyperactivity nervous, heart Disease, inflammation of the skin, fever, asthma, diseases of the nervous system such as epilepsy, metal implants, rosacea, telangiectasia (still dilated blood vessels), allergic skin.