Woman touching her hair

What if some of the changes you blame on “sagging skin” aren't actually coming from your skin?

One of the most misunderstood parts of facial aging is that it doesn't happen only on the surface. Long before we start talking about jowls, wrinkles, hollow cheeks, or a less-defined jawline, changes are occurring beneath the skin, including in the fat, connective tissues, and even the bones of the face.

Yes, your facial bones change as you age.

That matters because the face you see in the mirror is supported by an entire underlying framework. When that framework changes at the same time that facial volume shifts and skin becomes less elastic, the result can be a face that looks different in shape, not simply “older.”

At The Spiegel Center in Newton, MA, facial plastic surgeons Dr. Jeffrey Spiegel and Dr. Jacob Tower evaluate facial aging from the inside out. Understanding whether someone is seeing bone and volume loss, tissue descent, skin laxity, or usually some combination of these changes is critical to determining what will actually help.

Your Face Doesn't Just Wrinkle. It Changes Shape.

Compare a photograph of yourself today with one from 10 or 20 years ago. You may notice wrinkles, but look beyond them.

Perhaps your cheeks don't have quite the same shape. Your eyes look more hollow. Your jawline isn't as sharp. There are shadows around your mouth that weren't there before. Or the lower face seems heavier even though you haven't gained weight.

These changes aren't necessarily the result of loose skin alone.

Facial aging occurs across several anatomical layers at once:

  • The facial skeleton gradually remodels.
  • Facial fat can lose volume and shift.
  • Supporting tissues and ligaments change.
  • Collagen and elastin decline.
  • Skin becomes thinner and less resilient.
  • Facial tissues can descend, contributing to jowls and loss of jawline definition.

That is why simply “tightening the skin” doesn't fully describe modern facial rejuvenation.

What Is Facial Bone Resorption?

Bone resorption sounds dramatic, but it is a normal part of aging.

The bones of the face aren't a permanent structure that looks exactly the same throughout adulthood. The facial skeleton continues to remodel with age, and changes can occur around areas including the eye sockets, midface, jaw, and chin.

Why does that matter aesthetically?

Think about the facial skeleton as the architecture supporting everything above it. Skin and soft tissue are draped over that structure. When the underlying architecture changes, the tissues it supports can look different too.

Age-related changes in facial bone structure can contribute to:

  • Hollowing around the eyes
  • Reduced cheek and midface support
  • Changes around the mouth
  • Less definition through the lower face
  • Changes in chin and jawline appearance
  • Deeper shadows and folds

In other words, what looks like “sagging” from the outside may have several different causes underneath.

Bone Loss, Volume Loss, and Skin Laxity Are Three Different Things

These terms are often lumped together, but they shouldn't be.

Facial bone loss involves changes to the underlying skeleton.

Facial volume loss generally refers to changes in the soft tissues, particularly the fat compartments that help create youthful facial contours.

Skin laxity occurs as the skin loses elasticity and becomes less capable of maintaining the firmness it had when we were younger.

Then there is tissue descent. As deeper facial tissues change position, we can begin to see jowls, heavier folds, and less distinction between the face and neck.

Most people don't experience just one of these.

They experience all of them in different proportions.

And that is exactly why treating facial aging based solely on what you see at the skin's surface can be misleading.

Why Do Jowls Form?

Jowls are a perfect example of how facial aging gets oversimplified.

It is tempting to think: loose skin = jowls.

In reality, jowling can reflect a combination of skin laxity, changes in facial fat, tissue descent, and alterations in the structural support of the lower face.

This also explains why adding filler doesn't necessarily “fix” a jowl.

If volume loss is contributing to an aging appearance, carefully placed filler may be useful. But if the primary problem is descended tissue and significant laxity, adding more volume can make the lower face appear heavier without correcting the underlying cause.

This distinction is especially important when deciding whether someone is better suited to non-surgical facial rejuvenation or a facelift.

Why Does the Face Look More Hollow With Age?

At the same time that the lower face may begin to look heavier, other areas can look more hollow.

It sounds contradictory, but that's facial aging.

Changes in facial fat and underlying support can make the temples, cheeks, and areas around the eyes appear less full. Meanwhile, tissue descent can create greater fullness lower in the face.

This is one reason people sometimes describe feeling as though their face is “falling.”

It isn't simply a matter of losing volume. The distribution and position of facial volume are changing too.

Can Filler Replace Facial Bone Loss?

Not exactly.

Dermal filler can be strategically used to restore volume, improve contours, and enhance facial balance, but it does not actually replace lost facial bone.

And more filler isn't necessarily better.

For patients who are good candidates for non-surgical facial rejuvenation, Dr. Onir Spiegel takes an anatomy- and proportion-focused approach to injectables. Rather than chasing every hollow or line with filler, the goal is to understand where restoring volume can improve facial balance without creating an overfilled appearance.

This distinction becomes increasingly important as facial aging progresses.

There may eventually be a point when the issue isn't primarily that the face needs more volume. The tissues themselves need to be repositioned.

How Do You Know When It's Skin Laxity Instead of Volume Loss?

This is one of the most important questions in facial rejuvenation, and there isn't a universal answer you can determine simply by age.

Two 50-year-old patients can have completely different facial anatomy.

One may have relatively good skin elasticity and noticeable volume loss. Another may have substantial jowling and neck laxity but require very little additional volume. A third may have a combination of both.

That's why Dr. Jeffrey Spiegel and Dr. Jacob Tower evaluate the entire face rather than focusing on a single wrinkle, fold, or hollow.

A facial plastic surgery consultation may assess:

  • Midface position and volume
  • Jowling
  • Jawline definition
  • Neck laxity
  • Facial fat distribution
  • Eyelid and brow position
  • Skin quality
  • Chin and skeletal proportions
  • Overall facial balance

The question isn't simply, “How do we make this tighter?”

It's, “Why does this look different now?”

When Does a Facelift Make More Sense Than Filler?

This is where understanding the anatomy of facial aging becomes particularly important.

Filler adds volume. A facelift repositions descended facial tissues.

Those are fundamentally different jobs.

If significant jowling, lower-face descent, and neck laxity are driving the aging appearance, repeatedly adding filler may not address the actual problem. In the right candidate, surgical facial rejuvenation can reposition tissues rather than attempting to disguise their descent with additional volume.

At The Spiegel Center, Dr. Jeffrey Spiegel and Dr. Jacob Tower perform deep plane facelift surgery for appropriate candidates.

A deep plane facelift is not simply about pulling the skin tighter. The technique addresses deeper facial tissues, allowing them to be repositioned while avoiding reliance on excessive tension on the skin. The objective is a refreshed, natural-looking facial contour rather than a face that appears “pulled.”

Dr. Spiegel brings 26 years of facial plastic surgery experience to his approach to facial rejuvenation. His work is focused exclusively on the face and includes facelift, rhinoplasty, revision rhinoplasty, blepharoplasty, lip lift, and complex facial procedures.

Dr. Tower is a double board-certified facial plastic surgeon specializing in procedures including deep plane facelift, neck lift, brow lift, rhinoplasty, and other facial rejuvenation surgeries. His approach emphasizes meticulous technique, facial balance, and natural-looking results.

For patients researching a facelift in Boston or elsewhere in New England, understanding these deeper anatomical changes is an important part of understanding what a facelift can, and cannot, address.

What About Collagen Loss and Skin Quality?

Even a beautifully repositioned face still has skin.

Skin aging is its own process. Collagen production decreases over time, elasticity changes, sun damage accumulates, and fine lines and texture changes become more visible.

This is why skin quality and facial structure should be thought of as related but separate concerns.

A treatment designed to improve collagen or skin texture cannot reposition significantly descended facial tissues. Likewise, a facelift does not erase every pore, pigment change, or fine line.

Depending on the patient, facial rejuvenation may therefore involve different treatments at different stages rather than trying to make one treatment accomplish everything.

Does Facial Bone Loss Make You Look Older?

It can contribute, but there is rarely one single culprit.

That's perhaps the most important takeaway.

Facial aging isn't:

Wrinkles = aging.

And it isn't:

Volume loss = aging.

It's a three-dimensional process involving changes in facial bone, fat, supporting tissues, muscle, and skin.

This explains why the most natural-looking facial rejuvenation often comes from identifying what has actually changed instead of simply treating whatever feature is most noticeable.

At What Age Does Facial Aging Really Start?

There is no magic birthday.

Changes in facial bone, fat, collagen, skin, and supporting tissues occur gradually throughout adulthood. Genetics, anatomy, sun exposure, weight fluctuations, lifestyle, and other factors influence when those changes become visible.

That means being 45 doesn't automatically make someone a “filler patient,” just as being 60 doesn't automatically mean someone needs a facelift.

Anatomy matters more than the number.

The Question Shouldn't Be “How Do I Look Younger?”

A better question may be:

“What has actually changed?”

Is your jawline different because the skin is loose?

Have deeper tissues descended?

Has facial volume changed?

Has the underlying skeletal support changed?

Is skin quality the biggest concern?

Or, as is often the case, are several of these things happening at once?

At The Spiegel Center in Newton, MA, Dr. Jeffrey Spiegel and Dr. Jacob Tower approach surgical facial rejuvenation by looking at the underlying anatomy responsible for the changes a patient is seeing, rather than simply treating the surface.

For patients whose concerns are better suited to a non-surgical approach, Dr. Onir Spiegel provides injectable and aesthetic treatments focused on facial balance, proportion, and natural-looking volume restoration.

Because when it comes to facial aging, what you see in the mirror is only the surface of what's actually happening underneath. Schedule a consultation today!


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