The Nova Studio. One of the classes she teaches is a Face Serums which one learns how to make two different types to help regenerate and heal the skin. It is an informative class to learn about this subject. Her class looks very interesting and would be a great class to take. But if you do not have the opportunity to take her class, there is a recipe from The East-West School for Herbal and Aromatic Studies called Aromatherapy Facial Serum.