Hollow cheeks are the visible indentation or shadow beneath the cheekbones, where the mid-face curves inward rather than projecting outward with fullness. Whether this look is a desired aesthetic or an unwelcome change depends on the degree: mild hollowing creates defined facial contours, while pronounced hollowing can make the face appear gaunt or aged. The difference comes down to how much volume sits in the fat pads and bone structure of your mid-face.
The Anatomy Behind Cheek Hollowing
Your cheeks get their shape from layered fat compartments stacked between skin and bone. The superficial layer includes what’s collectively called the “malar fat,” a group of fat pads running from the nose outward across the cheek. Beneath those sit deeper compartments, including the deep medial cheek fat and the buccal fat pad, the round pocket of fat that gives the lower cheek its fullness.
These layers work together like scaffolding. When the deeper fat pads deflate, the superficial fat above them loses structural support and slides downward. This creates a visible hollow in the central cheek area, often appearing as a shadowed “V” shape below the under-eye region. The degree of hollowing you see depends on how much fat remains in both layers and how well the underlying bone projects outward to support everything above it.
Why Cheeks Become Hollow
The most common cause is simply getting older. Facial fat loss starts becoming visible around age 20, but contour changes typically become noticeable around 30. At the same time, the upper jawbone (maxilla) gradually recedes. Research in aesthetic plastic surgery has shown the maxilla retreats by about 10 degrees between young adulthood and age 60. That bone loss removes the projection that once kept fat pads lifted, contributing to deeper hollows, more prominent nasolabial folds, and an overall flatter mid-face.
Weight loss is the other major driver. Losing a significant amount of body fat reduces facial volume alongside the rest of your body. People who maintain very low body fat percentages, including endurance athletes, often notice their faces look leaner and more angular. The so-called “runner’s face” describes this effect, though it’s not caused by running itself but by low overall body fat and, in outdoor athletes, cumulative sun damage.
Beyond aging and weight, several other factors play a role:
- Genetics. Some people naturally carry less buccal and malar fat, giving them hollow cheeks from a young age. Rare inherited lipodystrophies can cause more extreme fat loss.
- Medical conditions. Autoimmune diseases like lupus can destroy facial fat tissue. HIV-associated lipoatrophy, linked to certain antiretroviral medications, was first described in 1998 and remains a recognized side effect.
- Connective tissue disorders. Conditions like morphea and lupus profundus can cause localized fat loss in the face.
- Repeated trauma or pressure. Less commonly, chronic mechanical stress to facial tissue can cause localized fat loss.
Cosmetic Hollowing vs. a Medical Concern
Most cheek hollowing is cosmetic, tied to aging, genetics, or body composition. But rapid or unexplained facial thinning is a different situation. If your face suddenly looks dramatically thinner, especially alongside unexplained weight loss, fatigue, muscle weakness, facial asymmetry, or skin discoloration, that pattern points toward an underlying medical condition rather than normal aging.
The distinction is mostly about speed and context. Gradual hollowing over years is expected. Hollowing that develops over weeks or months, or that appears on only one side, warrants medical evaluation.
Buccal Fat Removal and Its Risks
Some people pursue hollow cheeks intentionally through buccal fat removal, a surgical procedure that extracts the buccal fat pad to create more defined contours. The concern that cosmetic surgeons frequently raise is what happens decades later: since your face naturally loses volume with age, removing buccal fat in your 20s or 30s may result in an excessively hollow appearance by middle age, when the remaining fat pads and bone have also diminished.
The procedure carries risks including injury to branches of the facial nerve (which can cause temporary or permanent muscle weakness), damage to the salivary duct, asymmetry, prolonged swelling, and numbness. Results can also be underwhelming, with the American Society of Plastic Surgeons listing “minimal changes” as a recognized outcome.
Restoring Volume With Fillers
For people who want to reverse hollow cheeks, injectable dermal fillers are the most common nonsurgical option. Three main types are used in the cheek area:
- Hyaluronic acid fillers (brands like Juvéderm and Restylane) add immediate volume and can be dissolved if you’re unhappy with the result. They typically last 6 to 18 months.
- Calcium hydroxylapatite (Radiesse) is a mineral-based filler that provides structure and is often chosen specifically for cheek and midface contouring.
- Poly-L-lactic acid (Sculptra) works differently: rather than adding volume directly, it stimulates your body to produce collagen over several months, gradually rebuilding fullness.
Cheeks typically require 2 to 3 syringes total to restore noticeable fullness. At current prices of $500 to $1,500 per syringe, a cheek treatment generally runs $1,300 to $3,200. Because hyaluronic acid and calcium hydroxylapatite fillers are temporary, you’ll need repeat treatments to maintain results.
Fat Grafting for Longer-Lasting Results
Fat transfer takes fat from another part of your body (usually the abdomen or thighs) and injects it into the cheeks. The advantage is that surviving fat cells become a permanent part of the tissue. The challenge is unpredictability: retention rates in clinical studies range from 21% to 82%, meaning some of the transferred fat will be reabsorbed by your body. Surgeons often overfill slightly to account for this, and some patients need a second session to reach their goal.
Can Facial Exercises Help?
Facial yoga has gained popularity as a natural approach to restoring cheek fullness, and there is some early evidence it affects the muscles involved. A small clinical trial of 12 middle-aged women found that an 8-week face yoga program increased the tone, stiffness, and elasticity of the buccinator, the main muscle of the cheek. The researchers attributed this to a hypertrophy effect, where resistance-based facial movements caused the muscle to grow slightly, similar to how strength training builds muscle elsewhere in the body.
The catch is that this was a very small study with no control group, so the findings are preliminary. Facial exercises may modestly improve muscle tone beneath the skin, but they cannot replace lost fat or rebuild bone. For mild hollowing, they’re a reasonable low-risk option. For significant volume loss, they won’t produce visible changes on their own.
Lifestyle Factors That Affect Cheek Volume
Your overall body fat percentage has the most direct influence on facial fullness. Crash dieting or rapid weight loss often shows up in the face before anywhere else, because facial fat pads are relatively small and sensitive to systemic changes. Maintaining a stable, healthy weight is the simplest way to preserve the volume you have.
Sun exposure accelerates collagen breakdown in the skin, which compounds the effect of fat loss by making the skin thinner and less able to mask the contours beneath it. Consistent sunscreen use won’t prevent fat loss, but it helps maintain the skin quality that keeps mild hollowing from looking more severe than it is.