It's water that has tiny oil molecules in it that attract dirt and makeup from off your face. (thespiff.com)
Essential oils are used in a variety of ways, and include aromatherapy massage — where the oil is absorbed through the skin and vaporization where the essential oil molecules enter the bloodstream via the lungs.Essential oils are also used medicinally and taken internally, but this must NOT be undertaken by the layperson, but should only be done under the treatment and direction of a qualified medical practitioner. (healthygreenkitchen.com)
Much has been said about the benefits of micellar water, a product that contains tiny cleansing oil molecules suspended in H20, but I was never able to find one that worked for me. (health.com)