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Beyond Lavender’s Relaxing Reputation: What Happens in the Brain?

by Francoise Rapp
Oct 13, 2026
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Dear {{ first_name }},

Lavender is probably one of the most familiar essential oils in aromatherapy. Its reputation for promoting relaxation is so well established that we sometimes forget how much more there is to discover about this remarkable aromatic plant.

What if, beyond its familiar calming properties, lavender could help us better understand the fascinating relationship between plant chemistry, the brain and our emotional experience?

This is where aromatherapy becomes particularly interesting.

From plant chemistry to the nervous system

True lavender (Lavandula angustifolia) contains a complex combination of aromatic molecules, among which linalool and linalyl acetate play important roles.

Linalool has attracted considerable scientific interest for its potential calming effects. Experimental studies suggest that it may influence mechanisms involving GABA, the brain’s principal inhibitory neurotransmitter, and glutamate, which plays a central role in excitatory neurotransmission.

These systems contribute to the regulation of neuronal activity and are involved in processes associated with stress, arousal and relaxation.

Linalyl acetate, another characteristic constituent of true lavender, has also been investigated for its potential calming properties, although its individual neurological mechanisms remain less clearly understood.

Together with the other constituents of lavender essential oil, these molecules contribute to a complex aromatic composition whose effects cannot be explained by one ingredient alone.

What makes this particularly fascinating is that the experience of lavender involves more than its biochemical properties.

It also involves our sense of smell.

Why olfaction changes the experience

When we inhale an aroma, volatile molecules interact with olfactory receptors, initiating signals that travel to the olfactory bulb and onwards to brain regions involved in emotion, memory and sensory perception.

Among these are the amygdala, associated with emotional processing, and neural networks connected with memory and the interpretation of experience.

This distinctive organization helps explain why scent can evoke an emotional response with remarkable immediacy.

A familiar aroma may bring a sense of comfort, evoke a pleasant memory or contribute to an atmosphere in which we feel more at ease.

In the case of lavender, its characteristic olfactory profile can become part of an experience associated with calm, reassurance and the transition towards rest.

And this is where an additional dimension emerges.

Plant biochemistry helps us understand the aromatic constituents and their potential biological actions. Olfactory neuroscience helps us understand how the experience of scent engages the brain’s emotional and sensory networks.

Together, they offer a richer understanding of what an essential oil can contribute to wellbeing.

From understanding the plant to creating the experience

For practitioners, this knowledge opens up an exciting possibility.

Rather than considering an essential oil solely through its traditional applications, we can integrate its biochemical characteristics with an understanding of olfactory perception, emotional experience and the body’s responses.

We can then go one step further by combining scent with focused breathing and sensory awareness.

Breathing offers a conscious way to influence the pace and quality of an experience, while sensory awareness encourages the person to become more attentive to bodily sensations and their present state.

When these elements are brought together in a carefully structured sequence, the essential oil becomes part of a broader neurosensory approach.

This is the foundation of AROMA SOMA™.

I developed this methodology to bring together the intelligence of aromatic plants, the neuroscience of olfaction and focused somatic breathing, translating these complementary dimensions into practical experiences for professional wellness.

Through the CALM, RESET and RISE protocols, practitioners learn to select appropriate essential oils, personalize the sensory experience and integrate the method into their existing professional practice.

The intention is not to replace traditional aromatherapy knowledge, but to extend its possibilities.

Because understanding what an essential oil contains is fundamental. Understanding how to integrate that knowledge into a meaningful sensory experience is where another level of professional expertise begins.

An invitation to explore further

If you are an aromatherapist or wellness practitioner interested in exploring this relationship between plant intelligence, neuroscience and sensory experience, I created AROMA SOMA™ Practitioner Certification for professionals like you.

The eight-module training brings together the scientific foundations, practical tools and professional protocols needed to integrate this approach into your work, whether through individual consultations, personalized wellness experiences or enhancements to existing treatments.

I would be delighted to introduce you to the complete methodology.

EXPLORE AROMA SOMA™ PRACTITIONER CERTIFICATION

https://www.francoise-rapp.com/aroma-soma

Warmly,

Françoise 

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A nice scent is not enough.
Bonjour {{ first_name }}, After more than twenty years working with scent, I have become increasingly interested in a question that has very little to do with whether a fragrance is beautiful.  What does it actually do? I ask this because businesses can spend considerable time, money and creative energy developing fragrance. A skincare product can smell exquisite. A hotel can diffuse something ...

Francoise Rapp Newsletter

A private letter by Françoise Rapp exploring how scent shapes what we feel, remember and choose — and why this invisible sense holds such extraordinary power for brands, wellbeing and human experience. Drawing on more than 20 years in perfumery, olfaction and sensory strategy, I share science, stories and perspectives on making experiences more distinctive, meaningful and memorable.

Francoise Rapp

© 2026 Francoise Rapp
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