Your Solar Plexus: The Key to Calming Your Nervous System Naturally

Understanding the Solar Plexus:

Why Essential Oils and the Solar Plexus Go Hand in Hand

If you’ve explored French aromatherapy practices, you’ve likely noticed how frequently essential oils are recommended for solar plexus application. This isn’t coincidence—it’s rooted in both anatomical wisdom and energetic understanding.

The Anatomical Foundation

The solar plexus represents one of the body’s most concentrated nerve networks, strategically positioned in the upper abdomen. Its name derives from the sun-like arrangement of nerves that radiate outward from this central point, connecting directly to vital organs including the stomach, liver, spleen, kidneys, and reproductive organs through ten distinct subplexuses—interestingly matching the traditional ten petals depicted in chakra imagery.

The solar plexus is a major nerve center located in your abdomen. It’s made up of two main nerve groups called the celiac and hypogastric nerves (also known as the celiac plexus). These nerves are part of your sympathetic nervous system—the network that controls your body’s automatic stress responses.

What does it do?

The solar plexus controls your body’s “fight, flight, freeze, or submit” responses—your automatic reactions to stress or danger. When these responses activate, they temporarily shut down non-essential functions like digestion and elimination so your body can focus its energy on dealing with the stressful situation.

Why does this matter?

Understanding the solar plexus helps explain why you might feel stomach issues during stressful times, or why your digestion can be affected by anxiety or emotional stress. It’s the connection point where your nervous system directly impacts your gut function.

The Solar Plexus and the Vagus Nerve

Working in dynamic partnership with the solar plexus is the vagus nerve, the tenth cranial nerve and primary representative of the parasympathetic nervous system. The vagus nerve follows a remarkable journey from its origin at the base of the brain, exiting the skull behind the ears, connecting first to organs of speech and swallowing in the throat, then descending to the heart and lungs before entering the abdomen through the esophageal hiatus. Significantly, the vagus nerve approaches the abdominal organs from the front of the body, creating a complementary innervation pattern with the solar plexus.

This anatomical arrangement creates what researchers call the “gut-brain axis”—a bidirectional communication highway between the digestive system and the brain. The vagus nerve, being 90% sensory, continuously transmits information about the state of our abdominal organs directly to the brain, while simultaneously carrying commands that promote “rest, digest, reproduce, and heal” functions when activated.

The interplay between these two systems creates a fascinating duality at the solar plexus. The sympathetic solar plexus embodies solar energy—fiery, mobilizing, and activating the entire body while redirecting energy away from metabolic functions.

The parasympathetic vagus nerve embodies lunar energy—cooling, nurturing, and promoting the metabolic functions that sustain life.

When stress or anxiety activates our nervous system, this delicate balance shifts, creating the familiar “knot in the stomach” sensation as these abdominal nerves respond by creating tension throughout the upper digestive region.

Vagal Tone and Health Implications

The efficiency of vagus nerve function, known as “vagal tone,” serves as a crucial indicator of overall health and resilience. Higher vagal tone correlates with better emotional regulation, stress resilience, and superior health outcomes, while lower vagal tone links to depression, anxiety, and inflammatory conditions. Heart rate variability (HRV) provides a non-invasive measure of vagal tone—greater variability between heartbeats indicates stronger parasympathetic influence and better adaptive capacity.

This understanding illuminates why the solar plexus serves as such a powerful therapeutic access point. By applying essential oils to this region, we can potentially influence both the sympathetic solar plexus and the parasympathetic vagus nerve pathways, helping to restore balance between these complementary yet opposing forces.

The concentrated nerve density, combined with the region’s role as a communication hub between gut and brain, makes it an ideal location for interventions aimed at calming the nervous system and supporting overall well-being.

Locating Your Solar Plexus

Finding your solar plexus is surprisingly intuitive. Position yourself midway between your sternum’s tip and your navel—the French aptly call this “the hollow of the stomach.” To better sense this area, place your palm against your upper abdomen and massage in gentle circles until you feel warmth building. This warming sensation indicates you’ve found your solar plexus.

The Therapeutic Benefits

Essential oil application to the solar plexus serves multiple therapeutic purposes:

• • Nervous System Support: The concentrated nerve network here makes it an ideal entry point for calming anxious or overstimulated systems.
  • Digestive Harmony: Since the solar plexus governs digestive functions and nutrient absorption, topical application can help soothe stomach upset and improve overall digestive wellness.
  • Constitutional Support: French aromatherapy emphasizes supporting the body’s “terrain”—its fundamental constitution and vitality. The solar plexus serves as a powerful access point for this holistic support.

Beyond the Physical: Energetic Dimensions

The solar plexus transcends mere anatomy, holding significant importance in energetic healing systems. In Ayurvedic tradition, this area corresponds to Manipura—the “city of jewels”—representing the third chakra.

This energy center governs several key aspects of our being:

• • Personal Power: Your sense of identity and individual strength
  • Emotional Processing: Where we store and process challenging emotions, particularly fear
  • Metabolic Fire: Regulation of body temperature and digestive fire
  • External Communication: How we interface with the outside world

When emotions become stuck or suppressed in this area, they can create overwhelming physical sensations. Working with essential oils here can help facilitate emotional release and restore healthy energy flow.

Practical Application: Three Solar Plexus Blends

Choose the blend that best matches your current needs, or rotate between them as your body calls for different support.

Blend 1: Solar Plexus Harmony (Energetic Balance)

Adapted from Greek aromatherapist Lydia Bosson’s energetic approach

Base: 30ml macadamia oil or other carrier oil

Essential Oil Blend:

• • 5 drops sweet fennel (Foeniculum vulgare) – digestive fire support
  • 5 drops ginger (Zingiber officinale) – warming, activating
  • 5 drops geranium (Pelargonium x asperum) – emotional balance
  • 3 drops lemongrass (Cymbopogon citratus) – energetic clearing

Best for: General chakra balancing, digestive support, and maintaining healthy personal boundaries.

Blend 2: Nervous System Calm (Stress Relief)

For overactive sympathetic nervous system and vagus nerve support

Base: 30ml jojoba oil or other carrier oil

Essential Oil Blend:

• • 4 drops Roman chamomile (Chamaemelum nobile) – calming and soothing
  • 5 drops sweet orange (Citrus sinensis) – gentle mood elevation
  • 4 drops lavender (Lavandula angustifolia) – parasympathetic activation
  • 3 drops bergamot (Citrus bergamia) – anxiety relief

Best for: High stress periods, anxiety, difficulty sleeping, or when feeling stuck in fight-or-flight mode.

Blend 3: Digestive Fire Support (Gut Health)

For sluggish digestion and metabolic support

Base: 30ml jojoba oil or other carrier oil

Essential Oil Blend:

• • 4 drops peppermint (Mentha x piperita) – digestive stimulant
  • 4 drops sweet fennel (Foeniculum vulgare) – antispasmodic
  • 3 drops cardamom (Elettaria cardamomum) – warming carminative
  • 3 drops grapefruit (Citrus paradisi) – lymphatic support
  • 2 drops black pepper (Piper nigrum) – circulation enhancement

Best for: Sluggish digestion, bloating, poor appetite, or when needing to strengthen digestive fire.

Application Method for All Blends

Combine all ingredients thoroughly in a dark glass bottle. Using 4-6 drops, massage the blend over the solar plexus area in gentle clockwise motions, extending coverage slightly toward the liver region. Follow with three deep, diaphragmatic breaths to enhance vagus nerve activation. Apply 1-2 times daily, ideally after showering and before bed.

Integration and Practice

Remember that essential oil work with the solar plexus operates on multiple levels simultaneously—physical, emotional, and energetic. Approach this practice with patience and awareness, allowing your body’s wisdom to guide the experience. Some individuals may find immediate relief from digestive discomfort, while others might notice gradual shifts in emotional resilience or personal confidence.

Interested in learning more about Chakras and essential oils?

Consider our Healing Through the Chakras: A Sensory Approach – Online Course with Bobbi Misiti