Chin filler gone wrong: chin and jawline filler complications and what can help

What can go wrong with chin and jawline filler?

Chin filler complications are unwanted effects after filler is injected into the chin or along the jawline, and most of them are mild and short-lived, such as swelling, firmness, tenderness and bruising. Most chin and jawline filler treatments go smoothly. When people say their chin filler has gone wrong, they usually mean one of a small number of problems, and nearly all of them can be assessed calmly once the first two weeks of swelling have passed.

The problems people ask about most:

• Lumps and hard spots: a firm bead or ridge that can be felt, and sometimes seen.
• Unevenness: one side fuller, or a chin that sits off-centre.
• Too much projection: a chin that looks too long, too pointed or too heavy for the face.
• A jawline that looks too wide or square: the lower face looks heavier than intended.
• Filler that has moved: fullness below the lip, under the chin or along the jaw border.
• Odd movement: dimpling, or a stiff look when talking or smiling.
• Less often: infection or a lump that becomes inflamed weeks or months later.
• Rarely: a blocked blood vessel, which is an emergency with any filler.

The chin and jawline are usually treated with a firm hyaluronic acid gel placed deep on the bone, which is why problems here tend to feel hard rather than puffy. For how SkinRev Lab approaches filler problems in general, see filler correction at SkinRev Lab. For how the treatment itself is planned, see chin filler.

How common are chin filler complications?

Short-lived injection site reactions are very common after chin and jawline filler, and serious complications are rare. A review of dermal filler adverse events found that most reactions are mild and transient, such as bruising and swelling, and that serious events are rare (Funt and Pavicic, 2013).

• In a manufacturer-funded trial of a firm hyaluronic acid gel for the chin and jaw, in which 119 adults were treated, almost all participants reported at least one injection site response, most often firmness and tenderness to touch, and most of these lasted up to a week. No serious adverse events were reported after repeat treatment (Ogilvie and colleagues, 2020).
• In the same trial, four participants noticed temporarily unclear speech after their first treatment, which the authors attributed at least partly to swelling.
• An anatomical review of blood vessel risk placed the chin and jawline in its lowest-risk group of facial areas (Isaac and colleagues, 2022).
• Serious events are still reported as individual cases, including blocked blood vessels in the chin (Fang and colleagues, 2018; Jackson and colleagues, 2025).

Two points follow. First, a hard, tender chin in the first week is expected and is not a sign that something has gone wrong. Second, lower risk does not mean no risk, so the warning signs further down this page are worth knowing before any treatment. Published figures come from trials with selected participants and trained injectors, so they may not reflect every setting. Your doctor will advise how this applies to you.

Lumps, hardness and unevenness after chin filler

A lump after chin filler is most often firm gel sitting in one spot, swelling around the gel, or a bruise under the skin, and it is assessed by when it appeared and whether it is inflamed. Chin filler is firm by design and is usually placed on the bone, so the chin often feels hard for the first one to two weeks.

• Early firmness: hardness and mild lumpiness in the first two weeks is commonly swelling or product settling.
• A lump that stays: typically cool, firm, well defined and not tender. This is usually filler concentrated in one place or sitting closer to the surface than planned.
• Uneven sides: most chins are slightly asymmetric to begin with, and swelling or a bruise on one side can exaggerate this early on. Unevenness that remains after two weeks may reflect how the filler was distributed.
• A bead that shows when you purse your lips: filler near the surface or within the chin muscle can stand out in movement and disappear at rest.
• A red, warm, tender or growing lump: infection or an inflammatory reaction is possible, even months later, so a doctor should assess it promptly.

Do not massage, press or squeeze a chin lump unless your doctor advises it, because pressure can shift filler and can worsen an inflamed lump. No more filler should be added to the area until it has been assessed.

For the different kinds of lump and how each is managed, see filler lumps and nodules. For early swelling and discolouration, see filler swelling: what is normal and bruising after filler.

A chin that looks too long, too pointed or too heavy

A chin looks too long, too pointed or too heavy after filler when the amount or position of the gel does not match the proportions of the rest of the face. The chin is a small area, so a small excess shows clearly, particularly in profile and in photographs.

How it can look:

• Too far forward: the chin leads the face in profile.
• Too long: the lower third of the face looks stretched from the front.
• Too pointed or narrow: filler concentrated in the midline without support at the sides.
• Too wide or square: filler along the jawline or beside the chin that makes the lower face look heavier than intended.

Why it happens:

• More volume than the area needed in one session.
• Top-ups added before the earlier result was reviewed.
• Layers from previous years, because hyaluronic acid can remain in tissue longer than it is visible.
• Swelling, which makes any chin look larger for the first days.

What may help: waiting about two weeks is the first step, as the final shape cannot be judged earlier. If the result is still too strong and the filler is hyaluronic acid, a doctor can reduce it with small, staged doses of an enzyme (hyaluronidase), aiming to keep the filler you want. Your doctor will advise whether a partial reduction or a full dissolve suits the situation.

If fullness has built up across several areas rather than the chin alone, see signs of too much filler and filler fatigue.

Chin filler that has moved, or looks odd when you talk

Chin filler can shift or look different in motion because the chin muscle is strong and active every time you speak, eat or purse your lips. Filler placed deep on the bone tends to stay put, while filler that sits within or above the muscle can be pushed out of position over time.

How moved filler can show:

• A soft bulge in the groove below the lower lip.
• Fullness under the chin that was not there before.
• A lump or ridge along the lower border of the jaw.
• Extra heaviness beside the chin, which can add to the look of a jowl.

How it can affect movement:

• Dimpling or a pebbled texture on the chin when you talk.
• A lower lip that feels stiff, or a smile that looks tight.
• Briefly unclear speech in the first days, which a trial of chin and jaw filler recorded in a few participants and attributed at least partly to swelling (Ogilvie and colleagues, 2020).

Not every change is filler. Loose skin and descending tissue can produce heaviness along the jaw on their own, and adding more filler to disguise it can make the lower face look wider. Ultrasound can show where filler now sits and at what depth, which helps to separate moved filler from swelling or laxity before anything is treated.

For how and why filler travels, see filler migration. If heaviness along the jaw is the main concern, see sagging face and jowls.

Rare but urgent: a blocked blood vessel after chin filler

A blocked blood vessel after chin filler, called vascular occlusion, is rare, but it is an emergency because filler inside or pressing on an artery can cut off the blood supply to skin and nearby tissue. The chin is supplied by a network of small arteries that connect with those of the lower lip and the area under the chin (Isaac and colleagues, 2022).

What published cases describe:

• In one report, the skin of the chin and upper neck blanched immediately after injection, with severe pain spreading to the jaw and gums and pain on swallowing, and a mottled pattern appeared within about ten minutes. The area was treated at once with repeated doses of an enzyme (hyaluronidase) and healed within about a week without scarring (Fang and colleagues, 2018).
• In another, increasing pain and mottling on the day after treatment were followed by damage to the gum and bone around the lower front teeth. The authors noted that a delay in diagnosis and treatment contributed to the lasting harm (Jackson and colleagues, 2025).

Urgent signs:

• Skin that turns pale, white, dusky, bluish or mottled on the chin, lower lip or upper neck.
• Pain that is severe, or that keeps escalating rather than easing.
• Pain in the gums or teeth, or pain on swallowing.
• Any change in vision.

If you notice any of these, go to an emergency department now, and contact the provider who treated you on the way, because treatment is time-sensitive. Do not wait for a routine appointment and do not try to treat it yourself.

Chin filler warning signs: what is normal and when to get help

Swelling, firmness, tenderness and bruising in the first few days are normal after chin filler, whereas a change in skin colour, escalating pain, spreading redness with fever or any change in vision is not. Use the table as a general guide, and contact your provider or a doctor if you are unsure.

Can chin and jawline filler be dissolved?

Hyaluronic acid chin and jawline filler can be dissolved with an enzyme (hyaluronidase), while fillers made of other materials cannot; one session is enough for many small problems, and dense gels more often need two or more rounds. What was injected therefore decides which options are open.

If the filler is hyaluronic acid:

• Partial or full: small amounts of the enzyme are placed only into the unwanted filler, so filler you want to keep can stay.
• How quickly it works: the body clears the dissolved filler over roughly a day to a few days.
• Firm gels can take longer: dense or older filler, which is common in the chin and jawline, may need another round after review.
• Refilling: new filler is left until the area has settled, and your doctor will advise on timing.

If the filler is not hyaluronic acid: calcium hydroxylapatite, polycaprolactone and PLLA are sometimes used for chin and jawline contouring, and the enzyme does not break them down. They need a different plan, which can include waiting, medical treatment for an inflamed lump, or a surgical opinion. For background on these materials, see calcium hydroxylapatite filler and polycaprolactone filler.

If you do not know what was used, the provider who treated you holds the record, and ultrasound can suggest the type of material, although not always with certainty.

For the process step by step, see dissolving filler in Singapore. Related guides cover what decides the cost of dissolving filler, side effects of the dissolving enzyme and having filler again after dissolving.

How Dr Sin Yong assesses and corrects chin filler problems

At SkinRev Lab, Dr Sin Yong, medical adviser, assesses chin and jawline filler problems by taking a history, examining the area at rest and in motion, and mapping the filler with ultrasound where useful. The aim is to work out what the lump or excess is, and what it is made of, before deciding whether to wait, reduce it or refer.

What helps the assessment:

• The product name, dates and amounts, and any earlier filler in the chin or jawline.
• Photos from before treatment and since the problem began, including a side view.
• Your allergies, especially to bee or wasp stings, which matter before the enzyme is used.

What correction may involve, where appropriate:

• Observation and review where the change is mild or still within the first two weeks.
• Small amounts of an enzyme (hyaluronidase) placed only into the unwanted hyaluronic acid filler.
• Staged treatment over weeks for layered or dense filler, with a review a few weeks later.
• Medical treatment first where a lump is infected or inflamed.
• A different plan, sometimes including a surgical opinion, where the filler is not hyaluronic acid.

A session typically takes 30 to 60 minutes, depending on the problem. Swelling, redness or itch for a day or two is common afterwards, bruising is possible, and you will be asked to avoid massaging the area, strenuous exercise and saunas for about a day. Dissolving is not suitable during pregnancy, with an active infection or broken skin in the area, or with a known allergy to the enzyme.

Correction is priced at consultation, and no result is promised; sometimes waiting is the right advice. You can see how mapping works in the ultrasound filler mapping video.

How to lower the risk: questions to ask before chin or jawline filler

The most useful way to lower the risk of chin filler problems is to be treated by a doctor who assesses your profile and bite first, names the product, and reviews the result before any top-up. These questions help:

• Who is injecting, and how do they manage a complication if one occurs on the day?
• What exactly is the product, is it hyaluronic acid, and will its name be recorded for you?
• Can it be dissolved if the shape is not right?
• How much is planned, and at what depth? Conservative amounts placed deep on the bone are less likely to show as lumps or to move.
• Is filler the right tool for my chin? A chin that sits far back, or a bite problem, may be better served by an orthodontic or surgical opinion, and a fatty double chin is a different concern.
• When is the review, and how long should I wait before any top-up?

Tell the doctor about: every filler you have had in the lower face, any dental infection or planned dental work, pregnancy or breastfeeding, and any allergy to bee or wasp stings.

Afterwards: avoid pressing or massaging the chin, heavy exercise and saunas for a day or two, and space dental procedures about two weeks away if possible. Know the urgent signs before you leave, and keep the contact details of the provider who treated you.

A doctor who suggests a smaller amount, a staged plan or no treatment is often protecting your result. For how chin filler is planned at SkinRev Lab, see chin filler with Dr Sin Yong.