Lip Lift: Bullhorn, Corner and Direct Techniques Compared
By Dr. Rushapol Sdawat, MD — Thai Board-certified Plastic and Reconstructive Surgeon, Medical Licence No. 17689
Last reviewed: Aug 2026
You have looked at a photograph of yourself from your twenties and could not work out what had changed about your mouth. The lips are not obviously thinner in the photograph you took last week. Something about the distance between your nose and your mouth has altered, and the top lip seems to have rolled inwards and disappeared into the shadow above it.
That is usually what has happened, and it is why lip filler has probably disappointed you. The problem in an ageing upper lip is very often not volume. It is length — the skin between the base of the nose and the red of the lip has lengthened, the red has rolled inward and downward, and your upper teeth have vanished from view when your face is at rest.
A lip lift addresses length. It is a small operation with permanent consequences, and there is remarkably little honest information about it anywhere, which is why this article exists.
Why your top lip looks thinner than it did at thirty
Three things happen at once, and they compound.
The cutaneous upper lip — the philtrum, the flat area with two ridges running down from the nose — lengthens with age as skin loses elasticity and the underlying support of the maxilla and the orbicularis oris muscle changes. As it lengthens, it drapes downwards over the red of the lip.
At the same time the vermilion rolls inward, and the vermilion border, the sharp white ridge outlining the lip, softens and flattens. Less red is presented to the world at the same actual volume. And the corners, the oral commissures, descend, so a mouth at rest reads as slightly downturned in a person who is perfectly content.
The result is a longer, flatter, more downturned upper lip that no longer shows teeth. Adding volume to a lip in that state pushes it further forward and downward, which is where the duck comparison comes from.
What I measure: philtral length, tooth show and vermilion height
Three measurements decide whether a lip lift is the right operation and how much can be taken.
Philtral length is measured from subnasale — the point where the columella of the nose meets the upper lip — down to the peak of the cupid’s bow. Longer philtrums run in families and in some ethnic groups, and there is no single correct number; what matters is the proportion against the height of the lower face and the chin.
Tooth show at rest is the measurement I trust most, because it is what other people actually perceive. With the mouth relaxed and lips just parted, how much upper central incisor is visible? A 2016 study in the International Journal of Scientific Study measuring maxillary incisal display found a mean of 3.33 mm in adults aged 20–40, 2.83 mm in those aged 41–60, and between 1.21 and 1.95 mm in those over 61 — with no significant difference between men and women. That decline is a large part of what makes an older mouth read as older, and it is the change a lip lift can reverse.
Vermilion height and the shape of the cupid's bow determine how much benefit you will get. A lift raises the whole vermilion and increases the amount of red visible from the front, but it cannot create a vermilion that was never there.
I also look at the gums. If you already show a considerable amount of gum when you smile, shortening the lip further will make that markedly worse.
Why filler makes some long lips worse
Filler adds volume. Volume in a long, drooping upper lip has nowhere useful to go.
Injecting into a lip already covered by a long, heavy philtrum pushes the lip forward and, because the tissue is tethered above and free below, downward. You gain projection in profile, lose definition at the vermilion border, and often lose tooth show rather than gain it. The lip looks larger in a mirror at close range and worse in a photograph at conversational distance.
There is a second problem for anyone who later wants surgery. Repeated filler changes the tissue: it can create fibrosis, alter the plane a surgeon works in, and sometimes leaves migrated product sitting above the vermilion border in exactly the area a lift needs to move. I would rather assess a lip in its natural state, and the interval I ask for after a last filler treatment is set at consultation.
Filler is not the enemy. In a short philtrum with a genuinely thin vermilion it is often the better answer, and I say so.
Bullhorn, corner and direct lip lifts compared
Subnasal (bullhorn) liftCorner liftDirect (vermilion border) liftWhere the scar sitsIn the crease under the nose, following the nostril sills and columellaA small ellipse just above and lateral to each corner of the mouthAlong the vermilion border itself, on the white rollWhat it doesShortens philtral length, increases tooth show at rest, everts and raises the whole vermilionElevates a downturned oral commissureIncreases vermilion height across the lip without changing philtral lengthWhat it does not doChange the corners of the mouthChange philtral length or tooth showIncrease tooth showBest suited toLong philtrum with reduced tooth show at restDownturned corners, marionette-type ageing, often after a faceliftShort philtrum where the problem is purely a thin red lipScar visibilityHidden in the nasal base shadow when well placed and well healedSmall, sits in a natural crease, generally discreetMost exposed of the three — on the face of the lipSuits pale, thin skinYesYesWith cautionSuits thick, sebaceous or darker skinUsually — but scarring risk is higherUsuallyLeast suitable — hyperpigmentation and visible lineRecovery to social presentability10–14 days7–10 days14 days, longer for redness to fadeReversible?NoNoNoOften combined withRhinoplasty, faceliftFacelift, bullhorn liftFiller as an alternative
The bullhorn is by far the most commonly performed and the one people mean when they say "lip lift". The corner lift solves a different problem and is often done alongside rather than instead. The direct lift is the least commonly performed for good reason: the scar sits on the most looked-at line on the face.
What actually happens in a subnasal bullhorn lift
A wing-shaped strip of skin is marked immediately beneath the nose, hugging the nostril sills and the base of the columella so that the eventual scar sits in the natural crease rather than below it. The width of the strip at its centre is the amount of shortening you will get.
That skin is removed. In a well-executed lift, the deeper closure does the work: the dermis is anchored to the periosteum or the deep tissue at the nasal base, so tension sits on the deep layer and not on the skin edge. A skin-only closure under tension gives a widened, pale, stretched scar within a year.
The operation takes under an hour, is usually done under local anaesthetic with or without light sedation, and sutures come out around day five to seven. Swelling in the first week is significant and looks alarming; it settles substantially by two weeks and continues refining for two to three months.
Modifications exist — deeper dissections that release and reposition the muscle rather than only the skin, and designs that vary the shape of the excision to change how the cupid's bow behaves. All are variations on one principle: shorten from above, anchor deep.
The scar sits under your nose and it is permanent
I want this stated plainly rather than buried.
The bullhorn lip lift trades a soft-tissue problem for a scar. In most patients that scar is genuinely difficult to see at conversational distance after six to twelve months, because it sits in a shadowed crease. In some patients it is not. Scars go through a red, firm, raised phase from roughly week three to month three before they mature and pale, and during that period it will look worse than you expected. If you scar poorly elsewhere — hypertrophic scars, keloids, a family history of either — your risk here is higher, and darker skin types carry a higher risk of hyperpigmentation of the scar line.
There is no version of this operation without a permanent scar under the nose. Anyone implying otherwise is not describing surgery.
Over-resection cannot be undone
This is the candour passage, and it is the reason I take a conservative measurement and then take slightly less than that.
If too much skin is removed, the upper lip becomes too short. The result is a permanently retracted lip that shows excessive tooth and sometimes gum at rest, nostrils that are pulled and flattened, a lip that cannot close comfortably over the teeth, and an expression that reads as startled or snarling. It is a distinctive look and, once you have noticed it on other people, you cannot stop noticing it.
There is no reliable way back. Skin cannot be replaced under the nose with anything that looks like the skin that was there. Grafts are visible. Local flaps distort the nasal base. Some cases can be improved and none can be undone. This is why I would rather do a second small revision at six months on an under-corrected lip than deliver an over-corrected one on the first attempt, and why I am not interested in a patient who arrives asking for the maximum.
Smile distortion, nostril change and the things nobody mentions
The upper lip is not a static structure; it is a moving one, and moving it changes how it moves.
Smile change. Shortening the lip raises the resting position of the vermilion, so a full smile now begins from higher up. Most patients find their smile more attractive. Some find it different in a way they had not anticipated, and a gummy smile can be revealed or worsened.
Nostril shape. The excision sits at the nasal base, and closure exerts some pull on the sills. Nostrils can be slightly widened or their shape altered. In patients who have had rhinoplasty, this needs particular care, and if both operations are planned, sequencing and technique need to be discussed properly.
Numbness and tightness. Temporary numbness of the upper lip and philtrum is normal for weeks to a couple of months. A sensation of tightness on wide opening usually resolves.
Asymmetry. Small differences in the height of the two sides of the cupid's bow are common early. Genuine, persistent asymmetry at six months may need revision.
The ordinary surgical risks. Bleeding, haematoma, infection, wound breakdown, delayed healing, suture reactions and stitch marks if sutures are left too long.
And a result you are technically fine with but emotionally disappointed by. The mouth carries expression more than any other feature. A shorter lip is not always the same as a lip you recognise.
Who I decline
I do not perform a lip lift on someone with a short philtrum who has decided from social media that they need one. I decline where there is significant existing gum show on smiling, unless the patient fully accepts it will increase, and where there is a history of keloid scarring. I am cautious in active smokers, because nasal base wounds heal badly with impaired perfusion. I decline where the expectation is a specific celebrity's mouth on a different face, because that is a mismatch I cannot fix with a scalpel — and where filler was placed recently, where a nasal operation is planned but not yet done, or where the patient cannot stay long enough for suture removal and a proper review. ASAPS advises that in Australia and New Zealand patients are told not to fly for six to eight weeks after surgery; a lip lift sits at the gentler end of that spectrum, but flying home before sutures are out is a poor plan.
Our published price for this procedure is indicative in AUD and THB and is confirmed at booking; ask for a written quotation at consultation. All surgery carries risks. Individual results vary from person to person and are not guaranteed. A consultation and assessment with your surgeon is required before any procedure.
When to seek care
Emergency — go to a hospital immediately. Rapidly spreading redness and swelling across the upper lip, cheeks or towards the eye, particularly with fever, rigors or feeling systemically unwell. Facial infections in this region are not to be watched overnight. Any difficulty breathing or swallowing. Bleeding that will not stop with ten minutes of firm direct pressure.
Same-day review. Increasing pain, redness or swelling after day three, when things should be settling. Pus or foul discharge from the incision. A wound edge that has separated or is turning dark or dusky. Fever above 38 degrees. A suture that has pulled through.
Within a few days. A scar that is becoming raised, red, firm or itchy from around week three — this is the point at which silicone, taping or a steroid injection can change the trajectory, and it is much easier to treat early than late. Persistent numbness beyond three months. Asymmetry that is not improving by six to eight weeks. A lip that feels too tight to close comfortably.
If you are still in Bangkok, contact the hospital directly rather than whoever arranged the trip. If you are already home, present to a local GP or emergency department without delay and bring your operation note — do not wait to message a surgeon in another time zone. Australian private health insurance generally does not cover procedures performed overseas and may not cover follow-up at home; in New Zealand, NZAPS states that ACC does not cover injuries from surgery performed overseas, though a 2020 analysis in AJOPS by Jonathan Wheeler noted that ACC "will accept a treatment injury only if the surgery has been performed by an appropriately qualified doctor" and "may cover some patients who have complications as a result of surgery undertaken overseas."
What to bring to the consultation
Bring a photograph of yourself between the ages of twenty and thirty, taken from the front, with a relaxed face. Not smiling — relaxed. That photograph tells me what your tooth show used to be and gives us a shared target that is yours rather than somebody else's.
Bring a record of any filler you have had, when, and how much. Bring a straight answer about whether you smoke. And come prepared to be told that your philtrum is not long, that a lift would over-shorten you, and that the honest answer is no. That happens in this consultation more often than in almost any other I do.
I am a Thai Board-certified plastic and reconstructive surgeon practising at Intrarat Hospital, Bangkok — Medical Licence No. 17689, verifiable on the Medical Council of Thailand register at checkmd.tmc.or.th. Diploma of the Medical Council of Thailand certifying proficiency in Plastic Surgery (13 July 2000); full member of The Society of Plastic and Reconstructive Surgeons of Thailand since 2001; ISAPS member since 2008. International training includes the AO Foundation course in advances in rhinoplasty and facial osteotomy, the International Plastic Surgery Training Center (malarplasty and angle reduction) and the safe use of laser-assisted lipolysis at Goldman Butterwick & Associates, San Diego. I hold Thai specialist certification and am not registered with Ahpra or the Medical Council of New Zealand.
This article is provided for general information and education. It is not medical advice and cannot substitute for individual assessment by a qualified practitioner who knows your history. Surgery carries risk, including risk of serious complications and of outcomes that do not meet expectations. Results vary between patients.
