What Causes Uneven Eyebrows? Causes and Ways to Help Them Look More Balanced
Uneven eyebrows are often noticed in front-facing photos, or when drawing your brows and finding it hard to make both sides match, until you start worrying that other people can see it and it affects your confidence in daily life.
Key points
- Uneven eyebrows are when the brows on each side sit at different heights or have different shapes, making the face look unbalanced. It can happen to anyone at any age, and it is normal for brows not to match exactly.
- There are 5 main causes: genetics, ageing, weak eyelid muscles (ptosis), previous double eyelid surgery and past injury.
- Some people get into the habit of raising one brow to help open the eye. Over time, this makes the difference between the brows more noticeable.
- Non-surgical options include make-up, eyebrow tattooing, botulinum toxin injections, filler injections and skin-tightening technology, which suit mild to moderate concerns.
- Surgical options include double eyelid surgery to correct ptosis and an endoscopic brow lift with Endotine, which suit concerns caused by sagging or resistance to botulinum toxin.
- Choosing a suitable method needs an individual assessment by an experienced surgeon, because each cause needs a different approach, and results depend on each person.
This article covers uneven eyebrows in full, from what they are, common causes, how they affect the face and differences between men and women, to non-surgical and surgical options and the details of an endoscopic brow lift with Endotine, so you can understand the problem and make an informed choice of approach that suits you.
In This Article
What Are Uneven Eyebrows?

Uneven eyebrows are when the brows on each side sit at different heights, or have shapes and arches that are not symmetrical, so the face looks unbalanced from the front. In some people one brow droops or sits lower than the other, while in others the brow tails are raised unevenly.
In fact, nobody’s brows match exactly on both sides, because both sides of the face develop differently from birth. Small differences are therefore normal and common, but if the difference is large enough to be clearly noticeable, it can affect your confidence.
This can happen to anyone at any age, from teenagers whose brows have been uneven since birth to older adults whose brows start to sag with age. If signs start at a young age, read more at should you have an endoscopic brow lift at 25? The severity and causes differ for each person, so understanding where the problem comes from is an important first step before choosing an approach.
What Causes Uneven Eyebrows?

Uneven eyebrows do not have a single cause but come from several factors that affect facial balance. Some cases are present from birth, while others develop gradually with age or habits. Knowing the real cause helps the doctor choose a method that suits it.
Uneven eyebrows can come from 5 main factors:
Genetics
The position and shape of each brow can differ from birth. This is a genetic trait that occurs naturally, not a problem that develops later. People whose uneven brows come from this factor notice that their brows have looked tilted or unbalanced for as long as they can remember.
Ageing
As you get older, collagen in the skin decreases, and the skin and tissue around the eyes start to sag unevenly on each side. Along with the eye socket bones settling with age, this gradually changes the position of the brows and causes drooping brows, drooping brow tails and uneven eyebrows.
Weak Eyelid Muscles (Ptosis)
Weak eyelid muscles (ptosis) mean you cannot open your eyes fully and your eyes look droopy. Many people therefore get into the habit of raising the brow on the side that is harder to open, to help lift the eyelid. Using the brow muscle on one side repeatedly over a long time leads to uneven brows and eyelid creases.
Previous Double Eyelid Surgery
Double eyelid surgery in the past may affect the pull of the skin and muscles around the eyes. If the tissue on each side heals differently, the brow position may change and become uneven over the long term, especially in cases with droopy upper eyelids or ptosis as well.
Past Injury
An injury to the face or around the eyes may affect the bones, nerves or muscles that control brow movement, changing the position of one brow. Even long after the injury, the effects may still show.
How Do Uneven Eyebrows Affect the Face?
The brows are an important feature that sets the balance of the face and shows emotion through facial expression. Even a small difference between the brows can affect the overall look of the face, especially from the front or in photos.
Uneven eyebrows commonly affect the face in several ways. They can make the face look unbalanced, as if each side has a different expression. In some people, one drooping brow makes the eye look sad or the face look tired, and in many cases the drooping brow also presses on the eyelid, so the eyelid creases look uneven too.
Beyond appearance, this also affects daily life, such as finding it hard to draw matching brows or feeling that your make-up still does not look right. Over time this builds into a lack of confidence, and many people start looking for a way to correct the cause.
Are Uneven Eyebrows Different in Men and Women?
Uneven eyebrows can happen in both men and women, from the same basic causes: genetics, ageing, ptosis or habits in using the brow muscles. What differs is the brow shape people want and how it is adjusted to suit their sex and facial proportions.
Most women want an arched brow shape that suits the eyes and looks soft and balanced, while most men want brows that look straighter and fuller, with balance that avoids too much arch.
So for both men and women, the principle of correction is the same: treat the cause first, then design the brow shape and level to suit each person’s facial proportions. The doctor assesses and plans for each person individually.
What Are the Ways to Correct Uneven Eyebrows?

There are several approaches to correcting uneven eyebrows today, depending on the cause and severity. See an overview of all brow lift techniques as well. They fall into 2 main groups, non-surgical and surgical, and the doctor assesses and plans suitable treatment for each person.
Before choosing a method, understand that each approach suits a different level of concern. Correcting the symptoms, such as with make-up, disguises them temporarily, while correcting the cause, such as with surgery, suits concerns caused by sagging or by facial proportions.
Non-Surgical Ways to Correct Uneven Eyebrows
These suit people with mild to moderate concerns or who are not ready for surgery. They focus on balancing the muscles and skin so the brows look closer in position. Options include:
- Make-up and eyebrow tattooing help disguise the difference so the brows look more similar in daily life. They change how the brows look, not their actual position.
- Botulinum toxin injections help adjust how the forehead and brow muscles work, reducing lifting of the brow on the more active side, so both brows look more balanced. They suit concerns caused by uneven muscle use.
- Filler injections help fill hollow areas or folds around the brows so they look fuller and more balanced. They suit cases where the difference comes from tissue volume.
- Skin-tightening technology sends energy into the deeper skin layers to help lift the brows and outer eye corners. It suits cases with mild sagging where you do not want surgery yet.
Results from non-surgical methods are mostly temporary and need repeating regularly, depending on each person.
Surgical Ways to Correct Uneven Eyebrows
These suit cases where the concern comes from clear sagging, ptosis or facial proportions, which non-surgical methods can only adjust to a limited extent, so surgery addresses the cause more directly. See the brow lift and facelift with the endoscopic technique service. Methods surgeons often use include:
- Double eyelid surgery to correct ptosis with a brow lift suits cases where uneven brows come from ptosis. Once you can open your eyes fully, the habit of raising one brow reduces, so the brows look more even.
- An endoscopic brow lift with Endotine adjusts sagging brows and brow tails back to a balanced position. It suits drooping brows, drooping outer eye corners and resistance to botulinum toxin.
Comparison of Correction Options
| Option | Suits | Recovery time | Type of result |
|---|---|---|---|
| Make-up or eyebrow tattooing | Mild concerns, temporary disguise | None | Temporary, changes how the brows look |
| Botulinum toxin injections | Unbalanced muscle activity | Short | Temporary, needs repeating |
| Filler injections or skin tightening | Mild sagging | Short | Temporary, needs repeating |
| Endoscopic brow lift with Endotine | Drooping brows, sagging, resistance to botulinum toxin | Short recovery, scars hidden in the hairline | Intended to last long term, depending on each person |
What Is an Endoscopic Brow Lift With Endotine?

An endoscopic brow lift with Endotine is brow lift surgery using an endoscopic technique. The surgeon makes small incisions in the hairline to insert an endoscope, lifts and repositions sagging brows to a balanced level, and then uses Endotine, a medical fixation device that the body absorbs over time, to hold the brows in the planned position.
A key feature of this technique is that the incisions are small and hidden in the hairline, so the scars are not on the face. See more about the S45 Clinic endoscopic brow lift technique. Recovery is usually short, and it addresses the causes of drooping brows, drooping outer eye corners, a narrow gap between the brows and eyes, and uneven brows.
Because it treats the cause of sagging, results are intended to last longer than with non-surgical methods. Results and how long they last differ for each person, depending on skin condition, facial proportions and aftercare.
Overall Procedure
The surgeon first assesses your brow level, sagging and facial proportions, then plans a suitable brow position, makes small incisions in the hairline, uses an endoscope to lift the brows and fixes them with Endotine. Everything is done under the care of an experienced surgeon and a team who take care to lower the chance of complications.
Recovery and Aftercare
After the procedure you may have some swelling and bruising at first, which is normal and gradually goes down. Recovery is fairly short because the incisions are small. Follow your surgeon’s advice and come to follow-up appointments as scheduled, to help the results develop as planned.
Which Brow and Eye Concerns Can an Endoscopic Brow Lift Help With?

An endoscopic brow lift with Endotine suits several brow and eye concerns caused by sagging or an unbalanced brow position, and the surgeon considers each case individually. Common concerns include:
Drooping Brows and Outer Eye Corners
Drooping brows and outer eye corners make the eyes look sad and the face look tired, and when only one brow droops, the brows sit at uneven heights. An endoscopic brow lift helps bring the brows and outer eye corners back into balance, so the eyes look brighter. See the endoscopic brow lift with frown line reduction technique as well.
A Narrow Gap Between the Brows and Eyes
When the brows sit too close to the eyelid crease, the eyes can look stern and older. A brow lift adds space between the brows and eyes, helping the brows and eyelid creases on both sides look more even.
Uneven Brow Tails and Unbalanced Brows
Brow tails at different heights make the face look unbalanced and the brows hard to draw. A brow lift helps level the brow tails, so the brows and the gap between the brows and eyes look more in proportion.
Drooping Brows With Resistance to Botulinum Toxin
Where botulinum toxin injections have had little visible effect because of resistance to botulinum toxin, an endoscopic brow lift is an approach that addresses the cause of sagging more directly.
How Much Can Make-Up and Eyebrow Tattooing Help Uneven Eyebrows?
Make-up and eyebrow tattooing are often the first options people choose, because they are easy and do not need surgery. Drawing or tattooing the brows helps disguise the difference so the brows look more similar in daily life.
But these methods change the outward appearance and do not correct the actual position or level of the brows. If the cause is the muscles or sagging, the difference remains once you remove your make-up.
If your eyebrow tattoo has come out uneven, how to correct it depends on whether the difference comes from the tattoo or from the brows themselves. If it comes from the brows, disguising it with tattooing can only help to a limited extent. Consult a doctor to assess which cause to correct.
Why Choose S45 Clinic for Uneven Eyebrows
Uneven eyebrows come from several causes, so effective correction starts with analysing the real cause. S45 Clinic is a medical clinic providing brow and facial balancing, and we plan an individual approach with care at every step.
Experienced Surgeons
Our surgeons, trained in otolaryngology with a sub-specialty in facial plastic and reconstructive surgery, assess the cause of your uneven eyebrows and plan an approach that suits your facial proportions.
Individual Planning, Not a Set Template
Because everyone’s brows and face are different, the surgeon assesses your brow level, sagging and how you use your muscles before choosing a suitable approach, whether non-surgical or an endoscopic brow lift with Endotine.
Operating Room and Aftercare
A team of anaesthetists looks after you in the operating room when a general anaesthetic is needed, and our aftercare system follows up after the procedure to check how your results are progressing against the plan, with care taken to lower the chance of complications throughout.
Frequently Asked Questions About Uneven Eyebrows
Are Everyone’s Eyebrows the Same on Both Sides?
Nobody’s brows match exactly on both sides, because both sides of the face develop differently from birth. Small differences are therefore normal, but if the difference is large enough to be clearly noticeable, you can consult a doctor about ways to help them look more balanced.
How Can Uneven Eyebrows Be Corrected?
They can be corrected with non-surgical or surgical methods. Non-surgical options include make-up, eyebrow tattooing, botulinum toxin injections, filler injections and skin-tightening technology. Surgical options include double eyelid surgery to correct ptosis and an endoscopic brow lift with Endotine. The choice depends on the cause and severity, so have a doctor assess you first.
Does Raising One Eyebrow Often Really Cause Uneven Eyebrows?
Yes, especially in people with ptosis who have to raise the brow on the side that is harder to open to help lift the eyelid. Using the brow muscle on one side repeatedly over a long time makes the brows and eyelid creases more noticeably uneven, so correcting the cause in the eyelid muscle can help reduce this.
Are Uneven Eyebrows and Uneven Eyes Related?
Yes. A drooping brow presses on the eyelid, so the eyelid creases look uneven too. The other way round, an eye problem such as ptosis can also make the brows lift unevenly, so an assessment needs to look at both the brows and the eyes.
Can Men Have Uneven Eyebrows Corrected?
Yes. The principle is the same as for women: treat the cause first, then design the brow shape and level to suit your facial proportions. For men, the focus is on a straighter brow shape that is not too arched.
What Can I Do If My Eyebrow Tattoo Is Uneven?
It depends on whether the difference comes from the tattoo or from the brows themselves. If it comes from the tattoo, the tattoo design can be corrected, but if it comes from the actual brow position, tattooing can only disguise it to a limited extent. Consult a doctor to assess which cause to correct.
What Do Traditional Beliefs Say About Uneven Eyebrows?
Linking uneven eyebrows or brows that meet in the middle to traditional Chinese beliefs about facial features is a personal cultural belief. It is not related to medical causes or treatment, and making the brows look balanced should be based mainly on your facial proportions and the real cause.
Summary
Uneven eyebrows can happen to anyone at any age and have several causes, including genetics, ageing, ptosis, previous double eyelid surgery and injury. Although nobody’s brows match exactly, if the difference is large enough to affect your confidence, there are several ways to correct it.
Options include non-surgical methods, such as make-up, eyebrow tattooing, botulinum toxin injections, filler injections and skin-tightening technology, which suit mild to moderate concerns, and surgical methods, such as double eyelid surgery and an endoscopic brow lift with Endotine, which address the cause of sagging and resistance to botulinum toxin.
The key is choosing a method that suits the cause in your case, which needs an assessment by an experienced surgeon, for results that look balanced with your facial proportions. Results depend on each person.
Because every face shape…
is different
An otolaryngologist with subspecialty training in facial plastic and reconstructive surgery assesses every case before treatment and gives advice based on your actual concerns.
“Reveal the beauty within you”
Message us online
Surgery and medical procedures carry risks. Find out about them and consult a doctor before you decide. Results depend on each person.

