a very interesting and lot 100% certified natural ET I use EST for several years and I have learned the basics if you are new attention right even use board and ask a pharmacist or a physician specializing in aromatherapy (this is not an alternative medicine) CAUTION DO NOT USE ON PREGNANT WOMEN AND CHILDREN UNDER 3 YEARS WITHOUT MEDICAL ADVICE. Do not put any on your skin ET (ET certain burn the skin) or inhaled ditto fumigation, especially if you have asthma etc .......... oral prescription is to be taken as medical advice . serious forums abound on the subject, so find out before you feel good.