The Aromatherapy Registration Council™ (ARC™) has developed and administers the Registered Aromatherapist™ registration program as a means to fulfill its mission of promoting the safe delivery and effective practice of aromatherapy, with the ultimate purpose of protecting public health and safety. The ARC™ Registration Examination in Aromatherapy assesses the knowledge and skills of entry-level aromatherapists in order to encourage a high level of competence among aromatherapy practitioners. Registration in aromatherapy is highly valued and provides formal recognition of a high level of knowledge in the field.