Because essential oils evaporate so quickly they usually need to be mixed with a carrier oil before use and many practitioners recommend mixing essential oils with carrier oils to dilute them carrier oils are true oils that come from the fatty parts of plants meaning that they last longer on your skin and prolong the benefits of aromatherapy some common carrier oils include olive oil . Essential oils the complete guide essential oils for beginners aromatherapy and essential oil recipes is a guide book about essential oils written to introduce you to the world of essential oils and aromatherapy the book was written primarily for beginners who have absolutely no prior knowledge about using essential oils and carrier oilsto show how to use them properly. Swanson healths complete beginners guide to essential oils what is aromatherapy aromatherapy may promote relaxation and help relieve stress 1 it has also been used to promote sleep 1 support overall health and wellness and it may even help support healthy blood pressure 2 aromatherapy uses oils extracted from flowers seeds leaves roots fruit and twigs for special effect these . Buy essential oils for beginners the complete guide aromatherapy essential oils and essential oils recipes by young alexis isbn 9781523413133 from amazons book store everyday low prices and free delivery on eligible orders