The use of a bath, sauna or solarium, massaging, hair transplanting, skin piercing, manicuring or other cosmetic services and therapeutic treatments, except where they are carried out under the supervision or control of a registered medical practitioner (that is to say, a fully registered person within the meaning of the Medical Act 198322), a dentist registered under the Dentists Act 198423, a physiotherapist, an osteopath or a chiropractor.