Subtil Academy is a set of teaching tools around a single, radical idea: that essential oils are quantum-scale messengers — and that learning to work with their frequencies transforms how we heal, for ourselves and for others.
Subtil is not just another aromatherapy course. It is a doorway into a complete healing system — where you learn to identify the root cause of imbalance in minutes, work across time and space with essential oils, and develop an unshakable therapeutic confidence.
Across modules spanning the visible — physiology, organs, systems — and the invisible — energy fields, emotions, quantum corrections — Subtil gives you the tools to become a truly autonomous healer.
Note: "Diploma course" indicates an in-depth private training program and is not a third-party certification.
AromaSoulTherapy goes far beyond classical aromatherapy. It adds the quantum touch that unlocks a whole new dimension of healing — without thinking your way to the right oil. You receive intuitive guidance instead.
Each essential oil you identify works to free you from subconscious stress patterns while harmonizing your heart's energy. A deep, intuitive process guided by olfaction — impacting your entire nervous system and gently rewiring your inner state.
Women's health and spirituality, quantum investigation tools, core AST practices, safe detox.
Physical applications, energy protection, pain, perimenopause, endometriosis, skin & hormonal health.
Specialized teachings to deepen your healing and expand your personal or professional practice.
The foundation of everything taught inside Subtil Academy. A practical guide to Quantum Aromatherapy — and the gateway to AromaSoulTherapy.
In Breathe Love Heal, Dr. Ellert unveils a transformative healing method: how to use the vibrational frequencies of essential oils to resonate with the highest frequencies of the human soul. A non-invasive, non-toxic, life-saving approach to self-healing — available to anyone.
"Quantum healing therapy using essential oils is the aromatherapy of the future."
A 30-minute call with Cécile is the simplest way to find out which path is right for you — whether that's Subtil, AromaSoulTherapy, or starting with the book.
This first month of Subtil — a start of reconstruction! I feel myself being transformed, gradually, like a fruit that is ripening, a door opening to another world. Thank you for your teaching, and your kindness. Your sparkle is a real balm.
Since the training, I'm no longer searching for the perfect blend for every problem. I've become autonomous. I've also discovered my personal power to heal myself. This formation opened the door to a much more Subtle universe…
Before, I was ultra-sensitive. Now I am ultra-ultra-sensitive — but I can determine which emotions and sensations are truly mine, and which I perceive from others. This is completely new to me.
