Aromatherapy massage is a very light massage, essential oils which are plant based, these are added to massage oil or lotion.  The vapours are inhaled and enter the body through the nose and into the limbic system which influence emotions, the nervous system and hormones.  When inhaled essential oil molecules, messages are transmitted to the limbic system and affect heart rate, blood pressure, breathing, memory, digestion, stress levels and the immune system.  They can absorb though the skin.