We passionately provide the highest quality aromatherapy education for healthcare sites, healthcare practitioners and individuals who wish to use essential oils safely and effectively — and we always have fun while doing it!


Meet Our Founder

BSN, RN, HNB-BC, Certified Clinical Aromatherapist

Denise Joswiak

Essential Health was created by Denise Joswiak as part of her ongoing quest to promote and improve health. Her vocation is mentoring and empowering healthcare professionals and aromatherapists to promote integrative, holistic healthcare. Denise is an author and international speaker. She served two terms on the AIA board of directors, and currently serves as AIA President. She also volunteers time working with AHNA and the Gattefosse foundation. Denise is a board-certified holistic nurse and certified clinical aromatherapist. She created the aromatherapy program for the Allina Health System and published research on its effectiveness. At Allina Health, Denise taught classes about self-care and integrative therapies and sat on the Penny George Institute for Health and Healing Nursing Council. She served as the Integrative Health Clinical Site Lead for United Hospital and as co-facilitator of their Holistic Nursing Council.

Trusted by the Industry

we work with healthcare leaders on
aromatherapy program implementation and education

Allina health
Mayo Clinic
Vanderbilt Health
Advocate Health Care Aurora Health Care

In-Person Education


Add your email to our mailing list to get the latest updates.