Aromatherapy Registration Council (ARC)

All Registered Aromatherapists with the Aromatherapy Registration Council (ARC) are required to complete continuing education units to renew their registration. Learn more about ARC CE requirements online at

View ACHS's fully online, 4-week CE courses online here. Be sure to check out the AROMA 305 Aromatherapy Chemistry for advanced aromatherapy chemistry training - one of the only courses of its kind and based on the popular text, Chemistry of Aromatherapeutic Oils by Joy E. Bowles.

On-campus classes and other ACHS webinars and workshops may also qualify for CE credit. Learn more:

Community classes on-campus

Master Lecture Webinars: