Under-eye hollows develop when the skin, fat, and bone around your eye socket thin out, creating a shadowed groove between your lower eyelid and cheek. The good news: you have several options ranging from better sleep habits and targeted skincare to fillers and surgery, depending on how deep the hollowing is and what’s causing it.
Why Under-Eye Hollows Develop
The groove under your eye, sometimes called the tear trough, sits where the thin skin of your eyelid meets the thicker skin of your cheek. In youth, a layer of fat fills this transition smoothly. As you age, three things happen at once: the bone of your eye socket expands (particularly along the inner upper and outer lower rim), the fat pads around your eye shrink and slide downward, and the ligaments holding everything in place stretch out. The net effect is that your eye appears to sit deeper in its socket, and the bony and muscular anatomy underneath becomes visible as a hollow.
Research comparing mothers and daughters (average age gap of 28 years) found an average loss of 0.8 cc of fat around the inner eye and cheek junction. That’s not much volume, but in tissue this thin, even a small change creates a noticeable shadow. Genetics play a role too. Some people have naturally deep-set eyes or minimal under-eye fat from their twenties, making hollows appear well before aging accelerates the process.
What Lifestyle Changes Can Do
Sleep, hydration, and allergies won’t rebuild lost bone or fat, but they can make existing hollows look significantly worse. A study that photographed people after normal sleep and after sleep deprivation found that tired faces were rated as having noticeably darker under-eye circles, more swollen eyes, paler skin, and more fine lines. The changes around the eyes were the strongest visual cue of fatigue. Getting consistent, adequate sleep won’t erase structural hollowing, but it removes the puffiness-and-shadow cycle that exaggerates it.
Dehydration has a similar effect. When your body is low on fluids, the thin skin under your eyes looks more translucent and clings tighter to the underlying structure, deepening the appearance of any groove. Seasonal allergies cause chronic rubbing and swelling that darken the skin over time. Addressing these basics is the simplest first step, and for mild hollows, it may be enough.
What Eye Creams Can (and Can’t) Do
Topical products work on the skin itself, not on the fat or bone underneath. That distinction matters. Hyaluronic acid, retinol, and peptide-based eye creams can genuinely improve skin quality around your eyes, but they won’t fill a volume deficit.
Hyaluronic acid holds up to 1,000 times its weight in water. In a study of 76 women with under-eye wrinkles who applied a low-molecular-weight hyaluronic acid cream twice daily for 60 days, skin hydration, elasticity, and surface smoothness all improved compared to placebo. Retinol (and its prescription-strength form, tretinoin) boosts collagen production by up to 80% in sun-damaged skin and smooths fine lines over time. Peptide creams stimulate your skin’s production of collagen, elastin, and other structural proteins.
The honest summary from a large review of eye cream ingredients: these products improve hydration, elasticity, and collagen content, but whether those changes translate into a visible physical difference “is not universally proven.” If your hollows are mild and your main concern is crepey texture or fine lines, a good eye cream with hyaluronic acid or retinol is worth trying. If the problem is a genuine volume loss creating a deep shadow, topicals alone won’t solve it.
Hyaluronic Acid Fillers
Injectable hyaluronic acid filler is the most common non-surgical treatment for under-eye hollows. A practitioner places small amounts of gel-like filler into the tear trough to restore the volume that fat loss took away. Results are immediate, and the procedure typically takes 15 to 30 minutes.
Fillers in this area last longer than most people expect. While the commonly quoted range is 8 to 12 months, objective 3D imaging shows measurable volume improvement averaging 14.4 months. A retrospective study found significant improvement persisting up to 18 months, with some clinical cases showing results still evident at 24 months. The tear trough is a low-movement area, which helps filler last longer than it does in spots like the lips.
Risks are real, though. The Tyndall effect occurs when filler is placed too close to the skin surface, creating a bluish discoloration that can be mistaken for a bruise but doesn’t resolve on its own. It can last months or years without corrective treatment. The area also has a complex network of blood vessels, so choosing a highly experienced injector matters more here than almost anywhere else on the face. Hyaluronic acid fillers can be dissolved with an enzyme if problems arise, which is a meaningful safety advantage over permanent options.
PRP and PRF Injections
Platelet-rich plasma (PRP) and platelet-rich fibrin (PRF) use your own blood, spun in a centrifuge to concentrate growth factors, then injected under the eyes. The idea is to stimulate your skin to regenerate collagen and improve texture from within.
PRF is the newer version. It creates a three-dimensional fibrin scaffold that releases growth factors gradually over about two weeks, compared to PRP’s rapid, short-lived burst. In clinical studies, PRF improved skin texture, wrinkles, and crepiness around the eyes. PRP showed stronger results for dark pigmentation specifically. However, neither treatment reliably fills volume. One study noted visible filling of under-eye hollows immediately after PRF injection, but the effect lasted only about two weeks and was likely from temporary swelling rather than true volume restoration.
These treatments work best as skin-quality boosters, not volume replacements. If your hollows are shallow and your main concern is thin, crepe-like skin, PRP or PRF may help. For deeper hollows, they’re better as a complement to fillers or surgery than a standalone solution.
Fat Grafting
Fat transfer takes fat from another part of your body (usually the abdomen or thighs), processes it, and injects it under the eyes. Unlike fillers, the fat that survives becomes a permanent part of your tissue.
The catch is survival rate. Studies show that 30 to 83 percent of transferred fat persists long-term in the face, a wide range that depends on the practitioner’s technique, how the fat is processed, and individual biology. An older but widely cited benchmark suggests roughly 30 percent of injected fat survives at one year. Surgeons often slightly overfill the area to account for this expected loss, which means you may look puffy for several weeks before the final result settles. Some people need a second session to fine-tune the outcome.
Fat grafting makes the most sense for people who want a longer-lasting solution than fillers and have enough donor fat to harvest. It’s a more involved procedure than filler injection, typically performed under local anesthesia with sedation, and recovery takes longer.
Lower Eyelid Surgery
For significant hollowing, lower blepharoplasty with fat repositioning is the most durable option. Rather than removing the small fat pads under the eye (as older techniques did), modern approaches reposition that fat downward into the hollow, smoothing the transition between eyelid and cheek. In some cases, surgeons combine this with a small implant or additional fat grafting for more complete correction.
Recovery takes 10 to 14 days before most people feel comfortable in public, with full healing taking a few months. Bruising and swelling are expected in the first week. The results are long-lasting: lower eyelid surgery rarely needs to be repeated, unlike fillers that require maintenance every one to two years.
Choosing the Right Approach
- Mild hollows with tired-looking skin: Start with consistent sleep, hydration, and a hyaluronic acid or retinol eye cream. Add PRP or PRF if you want faster skin-quality improvement.
- Moderate hollows with a visible shadow: Hyaluronic acid filler gives immediate, reversible results lasting 12 to 18 months. This is the most popular option for a reason: it’s effective, relatively low-risk, and adjustable.
- Deep hollows or long-term correction: Fat grafting or lower blepharoplasty with fat repositioning offers more permanent results but requires a bigger commitment in terms of recovery and cost.
Your age, skin thickness, the depth of the hollow, and your comfort with procedures all factor into which path makes sense. Many people start with fillers to see how volume restoration looks on their face before considering anything permanent.