Dent Under Eye After Filler: Why It Happens and How to Actually Fix It12 min read

A dent under eye after filler is one of the most distressing things you can notice in the mirror a few days after your tear trough treatment. You paid for a correction. You expected a smoother, more rested appearance. Instead, there is a visible hollow — sometimes deeper-looking than what you started with — sitting right where the filler was placed.

A new indentation after filler deserves an individual assessment. Contact the treating clinician if it concerns you; do not diagnose the cause from a photograph or assume every new hollow is routine healing.

A dent noticed after filler can reflect several different processes, including swelling beside a hollow, product placement or another issue. Some changes settle, while others need treatment. The timing alone cannot establish the cause. Contact your treating clinician rather than relying on a fixed waiting period, especially if symptoms worsen.

What Is Actually Causing the Dent? (The Real Anatomy Behind It)

The under-eye area — specifically the tear trough — is one of the most anatomically complex injection zones on the entire face. The skin here is the thinnest on the human body, sitting directly over a network of muscles, ligaments, fat compartments, and blood vessels. When filler is placed in this region, the surrounding tissue does not respond uniformly. This uneven response is the root cause of most visible dents.

There are four distinct clinical mechanisms that can create the appearance of a dent after tear trough treatment.

1. Asymmetric Swelling Creating a False Valley

The most frequent cause of a post-filler dent is not a shortage of filler — it is actually the presence of swelling in the wrong place. When a needle or cannula enters the delicate periorbital tissue, it creates minor trauma. The body responds with localized edema (fluid accumulation). The problem is that this edema rarely distributes evenly.

If the tissue immediately adjacent to your injection site — the upper cheekbone or the orbicularis muscle just above — swells more than the injected zone itself, that swollen tissue rises above the treated area. The injected zone, which has not swollen as dramatically, now sits lower by comparison. Your brain interprets this height difference as a dent, even though the filler is perfectly placed and the volume is perfectly adequate. The dent is an optical illusion created by uneven inflammation.

This resolves completely once the swelling subsides. Patience — not intervention — is the correct response.

2. The Hydrophilic Behavior of HA Fillers

Nearly all tear trough treatments today use Hyaluronic Acid (HA) fillers such as Restylane, Juvederm Volbella, or Teosyal Redensity II. HA is a naturally hydrophilic molecule — it actively attracts and binds water molecules, sometimes holding up to a thousand times its own weight in fluid.

In the first 48 to 96 hours after injection, microscopic pockets of the filler gel absorb fluid unevenly. One small depot may hold significantly more water than the area beside it. This creates a micro-topography beneath the skin — one zone is slightly raised from fluid uptake, the neighboring zone looks comparatively sunken. The result is a shadow, a crease, or a dent-like appearance that has nothing to do with poor placement or inadequate volume.

Fluid and swelling may change during recovery, but the appearance of an indentation cannot be assumed to smooth out on a fixed two-week schedule. Ask the treating clinician to assess a persistent or concerning change.

3. Mid-Face Support Deficiency

This is where the anatomy gets genuinely interesting — and where a visible dent after filler can point to something structural rather than purely temporary. The tear trough does not exist in isolation. It is the junction between the lower eyelid and the upper cheek, and its appearance is heavily influenced by what is happening in the mid-face below it.

When a practitioner places filler in the cheek region to lift the malar area, that newly elevated cheek volume casts a shadow upward onto the tear trough. Depending on the precise placement — if filler is positioned slightly inferior to the cheekbone rather than along the zygoma itself — the result can be a deeper-looking hollow under the eye, not an improved one. The cheek has been raised, but the tear trough has not been bridged.

This is not a mistake unique to less experienced practitioners. The mid-face and the periorbital zone interact in ways that require three-dimensional thinking during treatment planning. Sometimes a noticeable hollow persists or worsens because the tear trough itself was not treated while the cheek was.

4. Deliberate Under-Correction

Experienced injectors working in the periorbital zone know something that first-time patients often do not: under-filling on the first session is frequently the most clinical decision a practitioner can make.

The under-eye skin has almost no tolerance for overfilling. Too much product placed too superficially results in visible lumps, the Tyndall effect (a bluish discoloration visible in natural light), or persistent puffiness that becomes difficult to manage. To avoid this, a conservative injector will intentionally place less product than the full correction would require, planning to assess the baseline result at two weeks and add more volume only if needed.

When the initial swelling clears, patients sometimes see a fraction of their original hollow still present. This is not the filler creating a dent — it is the absence of filler in that area, by design. A minor touch-up at the follow-up appointment is all that is needed.

The Recovery Timeline: When Can You Actually Evaluate Your Results?

Healing and follow-up timing vary. A cosmetic review may be scheduled after swelling settles, but do not wait for a routine appointment if a new symptom is worsening or worrying.

Days 1 to 3 — Peak Trauma Response

Do not assess your results during this window. Edema and minor bruising are at their absolute maximum in the first 72 hours. The tissue is responding to the physical trauma of injection, not to the filler itself. The under-eye area can look dramatically different — puffier in some spots, deeper in others, darker from hemosiderin under the skin — and none of it reflects your final outcome.

This is also the period when HA filler is most aggressively absorbing fluid from surrounding tissue, which amplifies the uneven appearance. Many patients who contact their practitioner in distress during this window go on to have perfect, smooth results at day 14 without any intervention.

Days 4 to 13 — Integration and Flux

As the primary swelling begins to decrease, the HA gel enters what practitioners call the integration phase. The product softens, spreads slightly, and begins to interact with the surrounding dermal matrix. During this phase, the appearance of the under-eye area can fluctuate noticeably from morning to evening.

Morning puffiness often caused by lymphatic fluid pooling during sleep — can make the area look fuller but lumpier when you first wake up. By afternoon, as fluid drains, the same area may look smoother but slightly more hollow. This back-and-forth is entirely normal. The full picture of your under eye filler swelling stages only becomes clear as you move through this second week.

Day 14 and Beyond — True Baseline

A two-week appointment may help assess the cosmetic result after some swelling has settled, but it is not a universal diagnostic rule. Individual recovery varies, and pain, vision symptoms or pale or dusky skin require urgent assessment regardless of timing.

If the dent is gone at day 14, it was always a temporary artifact of the healing process swelling, fluid, and optical contrast doing what they do during recovery.

If the dent is still clearly visible and has been consistent for at least a week, it is a structural issue that warrants a conversation with your injector. The filler has settled. What you see is what the treatment produced.

How to Fix a Persistent Dent After Filler (Clinical Solutions)

If an indentation persists, ask a qualified treating clinician to evaluate its cause and discuss options. Hyaluronic-acid filler can sometimes be treated with hyaluronidase, but dissolving is a medical procedure with limitations and potential risks; no outcome is guaranteed.

Adding Mid-Face Volume for Structural Support

If your dent stems from insufficient cheek foundation — which is extremely common, particularly in patients with significant mid-face volume loss due to aging — the solution may not be more filler under the eye. Instead, a small amount of denser, longer-lasting filler placed along the zygoma or upper cheek can lift the entire mid-face structure upward.

This lift creates a natural bridge between the cheek and the lower eyelid, smoothing the tear trough transition without adding volume directly to the most sensitive periorbital skin. It is a structurally elegant solution that experienced practitioners favor for patients with both under-eye and cheek concerns.

Precision Touch-Up for Under-Correction

A clinician may consider additional filler only after examining the cause of a residual hollow, anatomy, existing product and risk factors. More product is not automatically the right solution, and the amount cannot be determined from a photo.

This is also why responsible injectors build follow-up appointments into the treatment plan from the beginning. The first session establishes the foundation; the second session, if needed, refines it.

Dissolving with Hyaluronidase

When the problem is not too little filler but incorrectly placed filler — product that has migrated, that was deposited too superficially, or that is creating an uneven lump adjacent to the hollow — dissolution is the most effective path to correction.

Hyaluronidase is an enzyme that breaks down HA gel. According to clinical studies at the Daniel Ezra clinic, a leading oculoplastic center, hyaluronidase resolves the underlying issue in most cases, though approximately 24% of patients require more than one treatment session for complete dissolution. A small cohort — around 18% — experiences temporary hollowing or textural changes post-dissolution as the skin adjusts to the absence of the filler. This generally resolves as natural HA levels regenerate.

Hyaluronidase may be used by a qualified clinician for some unwanted HA filler outcomes, but it can affect surrounding HA and its response varies. Discuss risks, alternatives and any plan for later treatment with the clinician; do not assume complete or consequence-free reversal.

One important caution: do not attempt to manually massage a dent or lump under the eye yourself. The periorbital skin is extraordinarily delicate. Aggressive self-massage can displace filler into unintended tissue planes and create complications that are far more difficult to address than the original issue.

When a Dent Is Not the Only Concern — Red Flags That Need Immediate Attention

Many contour changes are cosmetic, but a new dent cannot be classified safely without considering accompanying symptoms. Seek immediate medical help for sudden vision change, severe or unusual pain, or pale, grey or dusky skin; contact the treating clinician promptly for other new or worsening concerns.

Pale, grey or dusky skin, or an unusual mottled pattern after filler may signal a blood-flow problem. Seek immediate medical attention and alert the treating clinician; do not wait for a routine review.

Any vision change after filler, including blurring or vision loss, requires immediate emergency medical care. Accidental injection into a blood vessel can cause serious, potentially permanent harm.

Severe or unusual pain during or after treatment, especially with a skin-colour change, needs immediate medical assessment. Do not wait for a 24-to-48-hour trend to decide whether to seek help.

Signs of Infection — Increasing warmth, redness radiating from the injection site, swelling that intensifies rather than subsides, or any discharge are potential infection signs. The tear trough is anatomically close to the ocular structures; any infection in this zone needs prompt medical assessment.

Dark Circles and the Dent — A Complication Worth Understanding

There is an important distinction between a structural dent caused by the factors described above and a shadow-based dark circle that intensifies after treatment. Some patients who develop post-filler hollowing under the eye notice that their dark circles — which the treatment was meant to address — look worse, not better.

This happens because the hollow creates a shadow that reads as pigmentation. It is the same optical mechanism that causes under-eye darkness in the first place. If under eye fillers for dark circles were the primary goal of your treatment and a hollow remains, correcting the structural issue will also address the shadow-based darkness.

True pigmentary dark circles — caused by melanin deposits, visible blood vessels through thin skin, or post-inflammatory hyperpigmentation — are not affected by filler placement and require different treatments. Your practitioner can help you identify which type you have.

What Experienced Injectors Look for Before and After Treatment

The best outcomes in tear trough filler happen before the injection begins. Practitioners who achieve consistently smooth, natural results tend to share a few assessment habits:

They evaluate the patient’s malar fat pad volume, skin thickness, and tear trough ligament anatomy before placing any product, because these factors determine both the technique and the expected healing response. They discuss the realistic possibility of needing a second session — not because first-session treatment always fails, but because the conservative approach to periorbital volume replacement often requires staged correction to achieve the safest result.

They also set clear expectations about the healing timeline. A patient who understands on day one that their results will fluctuate for fourteen days is far less likely to seek unnecessary correction during the swelling phase. The anxiety that drives premature intervention is usually rooted in a lack of information about what normal recovery looks like.

The Honest Summary

A dent after under-eye filler has more than one possible cause, and its course varies. Ask the treating clinician to assess it rather than assuming a temporary phase or waiting two weeks regardless of symptoms.

If the dent persists past day 14 and is stable, it is correctable. HA filler is reversible. The tear trough is a complex area, but an experienced practitioner has a clear set of clinical tools to address whatever is causing the indentation — whether that is under-correction, mid-face support deficiency, or misplaced product.

Document the change if useful, but contact your treating clinician for an individual assessment. Sudden vision symptoms, severe or unusual pain, or pale or dusky skin call for immediate medical attention, whatever the time since treatment.

This article is intended for informational purposes only and does not substitute for personalized medical advice. Always consult a licensed, board-certified medical professional for an assessment of your specific treatment outcomes.

References

U.S. Food and Drug Administration

National Institutes of Health (NIH)

Sarah Mitchell

Sarah Mitchell is the founder and research editor of Under Eyes Filler, an independent patient-education resource. She is a researcher and writer, not a licensed medical professional. Her work is to read clinical studies and official FDA and ASPS guidance, then translate them into clear, honest explanations of under-eye filler results, recovery, risks, and realistic costs, so readers can prepare better questions for their own qualified provider.