The Mouth, the Jaw, and the Hidden Architecture of Facial Aging

Jan 10, 2026by Keri Berardinelli

How the nervous system, facial muscle tone, and circulation shape the lower face over time

Most people think the lower face "ages" because skin gets thinner or collagen declines. But the mouth and jaw tell a deeper story -- because this region is where stress likes to live. Think about holding and clenching in the jaw, pursed lips, and an overall tight, serious expression.

At Lotus Evolutions Wellness, we view the face as part of a whole-body communication system: nerves, muscles, fascia, fluid flow, and subtle signaling all working together. When that system is under chronic stress, the changes you see around the mouth are often not random aging. 

This is a superficial (but meaningful) look at what tends to happen when the mouth and jaw hold tension—and why relaxation, circulation, and neuromuscular nourishment matter

The mouth and jaw are a “stress map”

The jawbone is one of the strongest and most structurally important bones in the body, designed for mastication (chewing), stability, and support of the face.
But because it plays such a central role in force and function, it is also one of the first places the body holds stress. Over time, many people unconsciously clench, brace, or hold tension in the jaw—especially during periods of emotional suppression, anxiety, or chronic nervous system activation.

Over time, chronic tension can create a paradox:

  • Some muscles become hypertonic (overactive)

  • Other muscles become hypotonic (underactive)

This is when facial patterns begin to form and the muscles become less adaptive. 

The modiolus: a tiny hub with a big aesthetic impact

Near each corner of the mouth is a small but powerful fibromuscular convergence point called the modiolus. Think of it like a facial “knot” where multiple muscles interlace to shape expression, oral competence, and the subtle lift or downturn of the mouth. Anatomical and histological research describes the modiolus as a key perioral landmark and a complex meeting point of muscles and surrounding structures.

More recent anatomy research has even described a ligament of the modiolus, highlighting how integrated this region is with fascial and supportive attachments.

Why this matters for aging:
If this hub becomes rigid (hypertonic) or “disappears” (hypotonic), it can influence:

  • Mouth corners turning downward

  • Flattening of the cheeks near the labial commissure

  • A “pulled” or compressed look in the lower face

  • Less softness in expression—even when you feel happy

And importantly: this is not just “skin aging.” It’s structure and signal.

Perioral aging is structural, not just surface-level

In the perioral region, researchers describe age-related changes that involve the orbicularis oris (muscle) and structural components of the lips—such as thinning of the muscle and changes that can reduce lip “pout” and contribute to lip ptosis (drooping or sagging) and vermilion changes (alterations in the color, texture and definition of the lip's red/pink border).

At the same time, modern facial anatomy literature emphasizes that facial aging happens “from the inside out,” involving the relationship between deeper layers (bone, fat, muscle, ligaments) and the overlying soft tissue envelope.

So when the mouth area starts changing, it’s often part of a bigger pattern:

  • altered muscle tone 

  • reduced tissue support and shifting volumes

  • changes in ligamentous support

  • and a nervous system that’s been running in high gear

Fascia and ligaments: the "holding system" of the face

Fascia is an interconnected system that has a relationship with the nervous system and can be innervated (meaning it can feel and respond).

When the jaw and mouth are chronically braced, fascia can lose its natural glide. This can look like:

  • tightness around the mouth

  • less ease in smiling

  • a sense of “heaviness” in the lower face

  • strain patterns that show up as lines over time

This is one reason Lotus doesn’t approach aging as erasing symptoms like lines and wrinkles. Instead, we focus on restoring movement, circulation, and healthy lymphatic flow.

The lymphatic system: why stagnation shows on the face

Your lymphatic system helps manage tissue fluid balance and immune transport, and it relies heavily on movement and pumping mechanisms (unlike the circulatory system, the lymphatic system does not have a "heart pump")

When the face, jaw, and neck hold tension, it can contribute to a sense of stagnation—puffiness, dullness, or a “swollen” look that doesn’t match how well you’re taking care of your skin. (This isn’t a diagnosis; it’s a common pattern we see clinically in stress-dominant states.)

The Lotus approach: nourish the aesthetics through relaxation + circulation

At Lotus, we're not trying to force change in your face through invasive procedures. We're working to support what keeps it healthy and resilient:

  • Nervous system downshift (ventral vagus activation)
  • Targeted facial massage to nourish muscles and invite circulation
  • Fascial unwinding to restore glide and soften facial holding patterns
  • Lymphatic support to encourage drainage and reduce stagantion
  • NeoLifting (our somatic sculptural facial massage) as a non-invasive way to accomplish all the above points -- it's getting to the root foundation and structure  of the face that begins to crumble with aging.

If you're noticing lower-face changes, here's your takeaway

If your mouth corners feel heavier, your lips flatter, or your jaw always feels “on,” don’t assume it’s only age—or only genetics.

It may be your nervous system asking for a different kind of care.

If you want support that's rooted in biology, the Quantum Beauty Reset was created to help you restore regulation, flow, and facial vitality -- starting where aging often begins: tension patterns you didn't realize you were holding. 

To begin your discovery into the Quantum Beauty Reset, click HERE.

References

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  2. Yu SK, Lee MH, Kim HS, Park JT, Kim HJ, Kim HJ. Histomorphologic approach for the modiolus with reference to reconstructive and aesthetic surgery. J Craniofac Surg. 2013 Jul;24(4):1414-7. doi: 10.1097/SCS.0b013e318292c939. PMID: 23851821.
  3. Iblher N, Stark GB, Penna V. The aging perioral region -- Do we really know what is happening? J Nutr Health Aging. 2012;16(6):581-5. doi: 10.1007/s12603-012-0063-7. PMID: 22660001.
  4. Swift A, Liew S, Weinkle S, Garcia JK, Silberberg MB. The Facial Aging Process From the "Inside Out". Aesthet Surg J. 2021 Sep 14;41(10):1107-1119. doi: 10.1093/asj/sjaa339. PMID: 33325497; PMCID: PMC8438644.
  5. Wan D, Amirlak B, Rohrich R, Davis K. The clinical importance of the fat compartments in midfacial aging. Plast Reconstr Surg Glob Open. 2014 Jan 6;1(9):e92. doi: 10.1097/GOX.0000000000000035. PMID: 25289286; PMCID: PMC4174112.
  6. Breslin JW, Yang Y, Scallan JP, Sweat RS, Adderley SP, Murfee WL. Lymphatic Vessel Network Structure and Physiology. Compr Physiol. 2018 Dec 13;9(1):207-299. doi: 10.1002/cphy.c180015. PMID: 30549020; PMCID: PMC6459625.
  7. Goswami AK, Khaja MS, Downing T, Kokabi N, Saad WE, Majdalany BS. Lymphatic Anatomy and Physiology. Semin Intervent Radiol. 2020 Aug;37(3):227-236. doi: 10.1055/s-0040-1713440. Epub 2020 Jul 31. PMID: 32773948; PMCID: PMC7394563.
  8. Slater AM, Barclay SJ, Granfar RMS, Pratt RL. Fascia as a regulatory system in health and disease. Front Neurol. 2024 Aug 7;15:1458385. doi: 10.3389/fneur.2024.1458385. PMID: 39188704; PMCID: PMC11346343.
  9. Suarez-Rodriguez V, Fede C, Pirri C, Petrelli L, Loro-Ferrer JF, Rodriguez-Ruiz D, De Caro R, Stecco C. Fascial Innervation: A Systematic Review of the Literature. Int J Mol Sci. 2022 May 18;23(10):5674. doi: 10.3390/ijms23105674. PMID: 35628484; PMCID: PMC9143136.

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