Why You Look Hollow Under Your Eyes — Even When You’re Not Tired
No amount of concealer covers it completely. You’ve tried sleep, hydration, eye creams in every price bracket. The hollow beneath your eye — the groove that seems to deepen every year — persists regardless.
Under-eye hollows are one of the most stubborn aesthetic concerns, and one of the most emotionally impactful. The periorbital area — the zone around the eyes — is where people look first when they look at a face. Changes here register immediately, even when they’re subtle.
Understanding why hollows form, and what can actually be done about them, starts with a clear-eyed look at the anatomy.
The “tear trough” is the groove that runs from the inner corner of the eye diagonally downward and outward toward the cheek. In youth, this transition is smooth — the lower eyelid blends gently into the upper cheek without a visible groove.
With age, several changes occur simultaneously to make the tear trough more pronounced:
A pocket of fat sits beneath the eye, cushioning the eyeball and providing volume to the lower lid. As this fat pad shrinks with age, the lower eyelid loses its fullness and a groove appears.
The midface fat pad, which once sat high enough to bridge the lower eyelid-cheek junction, migrates downward. This leaves a gap — an area of volume deficit — between the lower lid and the cheek.
The skin around the eye is already among the thinnest in the body (0.5mm, compared to 2mm elsewhere). As collagen and elastin decline, it becomes even more translucent, allowing the shadow of the groove beneath to show through more clearly.
An anatomical structure called the orbicularis retaining ligament tethers the skin and muscle to the bone at the orbital rim. As surrounding soft tissue deflates, this tethering becomes more prominent, creating a defined groove rather than a gradual transition.
“The tear trough is where I see some of the most significant impact on perceived age and fatigue,” says Dr. Low Chai Ling, Medical Director, SW1 Clinic. “A deep tear trough casts a shadow that reads as darkness under the eye — which is why most patients with hollow under-eyes think they have dark circles when they actually have a structural groove.”
This distinction is important because the treatments differ.
are caused by pigmentation — melanin in the skin — or by visible blood vessels beneath the thin periorbital skin. They appear as a brownish or bluish-purple discolouration, present across the entire lower lid.
appear more grey or brown and are specifically tied to the depth of the groove. They’re worse in certain lighting and better in others. They worsen with volume loss over time and are less responsive to pigmentation treatments.
Many patients have a combination of both — underlying hollowing that creates shadow, compounded by some degree of pigmentation. The treatment approach must address whichever component is predominant.
“When I examine a patient for under-eye concerns, I always test the shadow by placing a light directly in front of the face,” says Dr. Lee, SW1 Clinic. “If the shadow disappears under direct frontal lighting, it’s structural — hollowing and shadow. If it persists, there’s a pigmentation component as well.”
Tear trough filler is widely considered the most effective non-surgical treatment for under-eye hollows. A small volume of soft hyaluronic acid filler is placed precisely in the groove beneath the orbital rim, restoring volume, softening the shadow, and creating a smoother transition from lower lid to cheek.
Results are immediate and can last twelve to eighteen months. The procedure requires a highly skilled injector — the periorbital area is vascular and the tissue is delicate. Complications including bruising and Tyndall effect (a bluish cast from superficially placed filler) are avoidable with correct technique and product selection.
At SW1 Clinic, is specifically designed for the periorbital zone, using an ultrafine cannula technique to minimise bruising and place filler at the correct anatomical depth.
For patients whose hollows are driven partly by descent of the midface fat pad, restoring volume to the cheeks can lift and support the lower eyelid zone. This indirect approach is sometimes more anatomically appropriate than treating the tear trough directly — and provides a more comprehensive result.
at SW1 Clinic addresses the midface fat compartments, improving support for the lower eyelid while restoring overall facial balance.
For patients whose under-eye appearance is compounded by thin, translucent, or pigmented skin, treatments that improve skin quality in the periorbital area are a useful adjunct. Bio-remodelling injectables, gentle laser treatments, and polynucleotide (PDRN) treatments can improve skin hydration, thickness, and collagen content over time.
Eye creams — even the most expensive — work primarily at the surface level. They can improve hydration and reduce puffiness, but they cannot restore structural volume or correct the tear trough ligament tethering that creates the groove. If the concern is primarily hollow and structural, topical products alone will not produce meaningful change.
Similarly, increasing sleep or reducing salt intake can reduce puffiness but will not address volume-related hollowing. These habits are worth maintaining for overall skin health, but they’re not a solution to tear trough anatomy.
Wei Ling, 41, had used under-eye concealers for years before coming in for a consultation. She was sceptical about filler — she’d heard stories of puffiness and an unnatural look.
After an assessment confirming her hollowing was structural (shadow-based rather than pigmented), she had tear trough filler placed with a cannula technique. “The bruising lasted three days,” she said. “By day five, I went out without concealer for the first time in years. I’d forgotten my face could look like that.”
If you’ve been trying to address under-eye hollows with skincare and getting nowhere, a clinical assessment can clarify whether you’re dealing with structural hollowing, pigmentation, or both — and map out a treatment plan accordingly.
Contact SW1 Clinic at to arrange a consultation.
[1] Goldberg, R. A. (2005). The three periorbital hollows: a paradigm for periorbital rejuvenation. , 116(6), 1796–1804. [VERIFY CITATION] [2] Donath, A. S., Glasgold, R. A., Meier, J., & Glasgold, M. J. (2010). Quantitative assessment of tear trough deformity: the tear trough rating scale. , 30(3), 301–307. [3] Lambros, V. (2007). Observations on periorbital and midface aging. , 120(5), 1367–1376.
