Your face changes with age because of simultaneous shifts in three structures: bone, fat, and skin. These aren’t just surface-level wrinkles. The skeleton itself shrinks, fat pads deflate or slide downward, and skin loses roughly 1% of its collagen per year starting in early adulthood. Together, these changes reshape your face in predictable ways across the decades.
The Skeleton Shrinks and Reshapes
Most people think of facial aging as a skin problem, but the foundation underneath is changing too. The bones of your face gradually resorb, meaning the body breaks down more bone than it rebuilds. This affects three areas most dramatically: the eye sockets, the upper jaw, and the lower jaw.
The eye sockets widen by 15 to 20% by the time you reach your 60s or 70s, which makes the eyes appear more sunken and hollowed. The upper jaw loses height at a rate of about 0.3 mm per year if you still have your teeth, and up to 0.8 mm per year without them. That loss of projection in the midface contributes to a flatter, less defined cheekbone area. Meanwhile, the angle of the lower jaw widens by roughly 2 degrees per decade, making the jawline less sharp and the lower face longer.
This bone loss is the scaffolding problem. When the frame shrinks, the soft tissue draped over it has less support, which accelerates sagging in every layer above it.
Fat Pads Deflate, Descend, or Both
Your face contains distinct compartments of fat, both deep and superficial, that give it youthful fullness. With age, these compartments don’t all behave the same way. Deep fat tends to atrophy, while superficial fat often repositions or even enlarges in certain areas.
The temples hollow out as the lateral fat pads there shrink. Fat around the eyes and mouth deflates, which is why the under-eye area looks more concave and lips lose volume and definition over time. The fat pad that sits deep in the cheek deflates too, and because it was helping to prop up the fat above it, the cheek fat slides downward toward the nose and mouth. This descent is one of the main reasons nasolabial folds (the lines running from your nose to the corners of your mouth) deepen with age.
At the same time, fat accumulates or protrudes in areas like the jowls, along the jawline, and under the chin. The combination of volume loss in the upper face and volume gain in the lower face shifts the overall shape from a youthful triangle (wide cheekbones, narrow jaw) to an inverted one.
Ligaments Stretch and Lose Their Grip
Your face has a system of retaining ligaments that anchor the skin and fat to the underlying bone, acting like tent stakes holding everything in place. The key ones run along the cheekbone, the jaw, and around the eye socket. As these ligaments weaken and stretch over time, the tissues they were supporting begin to slide downward.
When the ligaments along the cheekbone loosen, the midface descends and the lid-cheek junction elongates, creating a tired look. When the ligaments along the jaw weaken, the fat compartments below the nasolabial fold sag, producing jowls. This process works in concert with bone loss and fat deflation. No single layer is aging in isolation; each one accelerates the others.
What Happens Around the Eyes
The eye area is often where people first notice aging, and it involves every layer at once. The orbital rim widens as bone resorbs, creating a larger “frame” around the eye. Fat that was cushioning the eyeball starts to bulge forward through a weakening membrane, producing under-eye bags. At the same time, fat loss in the medial cheek creates a visible groove (the tear trough) that casts a shadow, making the area look dark and hollow. The result is a face that looks fatigued even when you’re well rested.
Skin and Collagen Loss
Collagen, the protein that gives skin its firmness, declines at an estimated rate of about 1% per year beginning in your 20s. In aged skin, the cells responsible for producing collagen (fibroblasts) become smaller and rounder, losing contact with the surrounding collagen network. In younger skin, about 78% of each cell’s surface is attached to collagen fibers. In older skin, that drops to around 58%. With less physical contact, the cells receive weaker mechanical signals to produce new collagen, creating a self-reinforcing cycle of decline.
The visible result is thinner skin with less elasticity. Fine wrinkles appear first, followed by general laxity, dryness, and a loss of the firmness that used to keep everything in place. Skin that once snapped back when pinched begins to hang loosely over the structures beneath it.
Sun Damage vs. Natural Aging
Not all facial aging looks the same, and how much of your change comes from time versus sun exposure matters. Natural chronological aging produces thin skin, fine wrinkles, dryness, and an even (if paler) skin tone. Photoaging from UV exposure creates a distinctly different pattern: thick, leathery skin with deep wrinkles, irregular pigmentation, freckles, age spots, visible broken blood vessels, and a rough texture.
Smoking amplifies photoaging further. The distinction is meaningful because someone who has spent decades in the sun will look markedly different from someone the same age with minimal UV exposure, even though both have experienced the same bone and fat changes underneath.
How Men and Women Age Differently
Men and women follow a similar facial aging trajectory until about age 50, at which point the paths diverge sharply. Before menopause, women’s faces age at roughly twice the rate of men’s in terms of overall shape change. Between ages 50 and 60, that gap widens to about three times faster. After 60, the rate settles back to roughly double.
The reason is primarily hormonal. Estrogen plays a critical role in maintaining bone density, and the dramatic estrogen drop during menopause triggers more pronounced bone resorption, particularly in the lower jaw. Postmenopausal women show a stronger reduction in the chin area and a more noticeable widening of the jaw angle compared to men of the same age. Men experience a more gradual testosterone decline, which still affects bone metabolism but produces a more linear, less abrupt aging trajectory. The result is that women’s facial shape can change noticeably within just a few years around menopause, while men’s changes accumulate more steadily across decades.
The Overall Pattern, Decade by Decade
In your 30s, the earliest changes are subtle: slight hollowing around the eyes, the first hint of nasolabial folds, and early forehead volume loss. Skin begins to lose its bounce, though most people won’t notice dramatic changes yet.
By your 40s, midface descent becomes more visible. The cheeks lose some of their projection, tear troughs deepen, and the jawline softens as fat redistribution picks up. Fine lines established in the 30s become more pronounced.
The 50s bring the most significant acceleration, especially for women. Bone resorption in the upper and lower jaw reduces facial projection noticeably. The jowls become more prominent as fat compartments slide below the jawline and the ligaments holding them weaken. Lips thin as the fat pads behind them atrophy. The overall face appears longer and flatter.
In the 60s and beyond, all of these processes compound. The eye sockets are measurably wider, the midface is flatter, and skin laxity is pronounced. The face has shifted from a structure defined by convex curves (full cheeks, a defined jaw) to one marked by concavities (hollow temples, sunken eyes, prominent jowls). These changes are universal, though their speed and severity depend on genetics, hormonal timing, sun exposure, and lifestyle factors like smoking.