The name describes a result, not a procedure

Patients arrive asking for a fox eye lift and show me a photograph. What they want is consistent: an outer brow that sits higher, an eye that reads as longer and slightly angled, and a temple that looks smooth rather than hollow. What they are unaware of is that at least four different things are sold under that heading, and the difference between them is not cosmetic detail. It is the difference between an injection that fades by Christmas and an operation with incisions in the hairline.

That confusion is the single most useful thing to clear up before any consultation. Ask which structure is being moved. Everything else, including cost, downtime, how it ages and what happens if you dislike it, follows from that answer.

The four procedures hiding behind one name

Barbed thread suspension is the version most people mean, because it is the one the trend was built on. Dissolvable threads with small barbs are passed under the skin of the temple, hooked into the tissue at the tail of the brow, and drawn upward. It is quick, done awake, and the change is visible the same day.

A neurotoxin brow lift is the smallest version. Relaxing the muscle that pulls the outer brow downward lets the muscle that lifts it win by a few millimetres. It is subtle and it is temporary, and for the right brow it is a sensible place to start before committing to anything else. How this fits into neurotoxin treatment generally is covered in Botox.

A lateral brow lift is the surgical one. Through a limited incision in the temporal hairline, the tail of the brow is elevated and fixed in its new position. It is the version that lasts, and it is described in full in brow lift.

Canthopexy and canthoplasty are the outliers, because they are the only procedures on this list that touch the eyelid itself. The tendon anchoring the outer corner of the lids is tightened, and in a canthoplasty it is detached and reattached higher. This is what genuinely changes the shape and angle of the eye rather than the tissue sitting above it.

Threads, and the honest version of what they do

Threads work, and they work briefly. The barbs hold tissue in a lifted position while the material slowly dissolves, and the accompanying claim that they stimulate collagen along the thread track is real but modest. Most people see six to twelve months from a good result, and a smaller number see less than that.

Two things determine whether that is a good deal. The first is your starting anatomy: threads move soft tissue, so a face with reasonable skin quality and a little laxity responds well, while heavy tissue simply drags the threads back down. The second is arithmetic. Repeating a thread lift every year for a decade costs more than the operation it is standing in for, so threads make most sense as a genuine bridge, or for someone who wants to test a change before accepting a permanent one, rather than as a cheaper route to the same destination. More on how they behave across the face is in thread lift.

The complications are minor but not rare. Dimpling where a barb has caught, a thread that can be felt near the temple, asymmetry, and occasionally a thread end working its way to the surface. None of that is dangerous. All of it is easier to accept when it was mentioned in advance.

Where the surgical answer earns its place

If the brow tail has descended with age rather than simply being naturally low, a lateral brow lift addresses the cause instead of suspending the consequence. Fixation is what separates it from threads. The tissue is placed where it should sit and held there, so the result is measured in years and it ages with the face rather than unwinding over a season.

Where it needs care is restraint. The temporal brow is a small area and a few millimetres decide whether the result reads as rested or startled. A brow lifted too aggressively at the tail produces an arch that no hairstyle disguises, and unlike a thread it does not dissolve if you change your mind.

The mismatch that sends most people to the wrong procedure

The commonest error is treating hooded upper lids as a brow problem. If loose eyelid skin is resting on the lash line, raising the brow lifts that skin without removing any of it, and the hood persists on a face that now looks permanently surprised. The tissue causing the complaint is the eyelid skin, and that is what blepharoplasty removes. The distinction is set out in hooded eyes, and it is worth reading before booking anything, because the two problems look almost identical in a mirror and respond to completely different operations.

The second mismatch is hollowing. A temple that has lost volume makes the outer brow look low even when its position is normal, and lifting tissue across a hollow area is unrewarding. Restoring the volume can be the whole answer, which is covered in dermal fillers.

The third is lower lid laxity. In an older patient with a lax lower lid, pulling the outer corner upward without supporting that lid can produce rounding or visible white below the iris. Assessing the lid before planning the lift is what prevents it, and it is part of why eyelid surgery and canthal work are usually planned together rather than separately.

Why the photographs are misleading

The images driving this request are unusually unreliable, more so than for most procedures. The look is routinely produced with a head tilt, with the brow drawn upward and outward in makeup, with the hair pulled back hard enough to lift the temple, and with a lens and angle that lengthen the eye on their own. None of that is a surgical outcome, and some of the most copied examples on social media are not results at all.

That matters practically, because a patient measuring their result against an image that no operation produced will be disappointed by a technically good one. Bringing photographs is genuinely useful, and so is going through them and separating what is anatomy from what is posture, styling and camera.

Who it suits

The best candidates have a brow tail that sits low relative to the rest of the brow, decent skin quality, no significant excess eyelid skin, and a request for a few millimetres rather than a transformation. In that group the change looks like rest rather than surgery, which is the point.

The people who do best from being told no are those with heavy hooding, those whose photographs show a face structurally unlike their own, and those wanting a dramatic slant. That last request is where this trend produces its worst results, because the human eye is very good at spotting a lateral canthus that has been moved further than the face was built for.

Find out which procedure your face actually needs

A low brow tail, excess eyelid skin and a hollow temple all produce the same complaint in a mirror and are corrected three different ways. The examination separates them before anything is scheduled.

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It depends entirely on which procedure you were actually sold, and this is the reason the question has no single answer online. Threads are the version most people mean, and they generally hold for six to twelve months before the material dissolves and the tissue settles back. A neurotoxin brow lift is shorter still, around three to four months. A surgical lateral brow lift is measured in years rather than months, commonly a decade or more, because tissue has been repositioned and fixed rather than suspended. Canthal surgery is also long lasting. If a price seems low for a permanent looking result, you are almost certainly being quoted for threads.
Sometimes, and the name does not tell you. Fox eye lift describes a look rather than an operation, so it is used for barbed thread suspension, for injectable brow shaping, for a surgical lateral brow lift, and for canthopexy or canthoplasty. Those range from a fifteen minute injection to a procedure done under anesthesia with incisions in the hairline. Before agreeing to anything, ask which of them is being proposed, whether anything is being cut or fixed, and what happens as it wears off.
The entry points are needle punctures and they do not usually leave a visible mark. The problems that do occur with threads are different ones: dimpling or puckering where a barb has grabbed skin, a visible or palpable thread near the temple, migration, and occasionally extrusion of the thread end, which needs to be dealt with rather than waited out. Most of these settle or are correctable, but they are common enough that they should be part of the conversation beforehand rather than a surprise afterwards.
Usually not, and this is the most frequent mismatch I see. Hooding is loose upper eyelid skin resting on the lash line. Lifting the tail of the brow moves the brow, and if the skin itself is the problem it simply carries that skin upward without removing any of it. The result is a face that looks surprised while the hood is still there. When the complaint is skin touching the lashes, upper eyelid surgery addresses the tissue that is actually causing it. Some people need both, and the order matters, because the brow position should be settled before deciding how much eyelid skin to remove.
They act on different structures. A thread lift suspends soft tissue in the temple and the tail of the brow, so it lifts the area above and around the eye. A canthopexy tightens and repositions the tendon that anchors the outer corner of the eyelids themselves, so it is the only one of the two that changes where the corner of the eye actually sits. That makes canthal surgery more powerful for the elongated eye shape people are asking for, and also less forgiving, because overcorrection produces a slanted or rounded appearance that is difficult to undo.
Almost always because the pull was too strong, aimed too far outward, or applied to a face whose anatomy did not support it. The photographs that drive the trend are frequently taken with the head tilted, with makeup shaping the brow, and sometimes with the hair pulled back tightly, none of which is a surgical result. Chasing that image on a face with heavy brows, deep temples or lax lower lids produces tension rather than elegance. A restrained change that suits the underlying bone reads as rested. A large one reads as a procedure, and everyone who sees it knows which one they are looking at.

Related reading: brow lift for the surgical version, thread lift for how threads behave elsewhere on the face, hooded eyes when skin rather than brow position is the complaint, blepharoplasty and eyelid surgery for the eyelid itself, and dermal fillers when a hollow temple is doing the damage.