The only clients unsuitable for this treatment are pregnant or breastfeeding clients and if you are menstruating this treatment can increase abdominal cramps. There are health concerns which we can only treat with written permission from a doctor: cancer, chemotherapy, renal insufficiency, diabetes, cardio-vascular conditions (e.g. Thrombosis, phlebitis, hypertension, arteriosclerosis), stoke. If you have a very sensitive skin we recommend having a patch test 24 hours prior to your treatment due to the high levels of essential oils.