Asymmetrical face: is it normal, what causes it, and what helps
Yes, it is normal to have an asymmetrical face. Every face has some difference between its left and right sides, and research reviews say perfect symmetry is rarely found. Most mild asymmetry comes from genes and growth, and other people do not notice it. Sudden asymmetry, like one side of the face drooping, is different and needs urgent medical care.
Lookist scores your symmetry as one of 15 features, with a note on what the scan saw.
Download Lookist for iPhoneIs it normal to have an asymmetrical face?
Yes. A 2015 review in an orthodontics journal puts it plainly: perfect symmetry is rarely found, and mild asymmetry is so common that the person and everyone around them usually miss it. Doctors call this normal or subclinical asymmetry.
The two halves of the face grow from separate parts in the embryo, so they never match exactly. A 2008 Japanese study of 1,800 people found that, among those with clear asymmetry, about 80% had a wider right side of the face and about 79% had a chin that leaned left.
How common is noticeable facial asymmetry?
Visible asymmetry is common too. Studies of orthodontic patients found it in 12% to 37% of people in the US, 23% in Belgium and 21% in Hong Kong. When researchers used X-rays instead of the eye, the number passed 50%. At a dentofacial clinic in North Carolina, 34% of 1,460 patients had clearly visible asymmetry, and the chin was involved in 74% of those cases.
Those are clinic groups, so they run higher than the general public. Still, the takeaway holds: a slightly crooked chin, one higher eyebrow or a nose that leans a little is ordinary.
| Area | Share of asymmetric cases | What you would notice |
|---|---|---|
| Chin | 74% | Chin points a little to one side, often the left |
| Midface (mainly nose) | 36% | Nose leans or one nostril looks bigger |
| Upper face | 5% | One eye or brow sits higher |
How much asymmetry do people actually notice?
Less than you would think. The 2015 review notes that skeletal differences usually need to reach about 4 mm before they show in the face. Soft tissue such as fat and muscle covers smaller gaps.
You notice your own asymmetry more than anyone else. You look at your face from a few inches away, in a mirror, often while hunting for flaws. Others see it from across a table, moving and talking.
What causes an asymmetrical face?
Most mild asymmetry has no single cause. The two halves of the face grow from separate parts in the embryo, and they never match exactly. These are the causes doctors list most often.
- Genetics and growth: the most common cause. The 2008 study found the left and right pattern is likely inherited, not acquired.
- Dental and bite issues: a crossbite, missing teeth or a jaw that shifts to one side when you close.
- Chewing on one side: reviews list it as a possible cause, though the evidence is weak and not proven in controlled studies.
- Sleeping on one side: also listed, also not proven. It can cause temporary creases and puffiness on that side in the morning.
- Posture and head tilt: a neck that tilts to one side, or holding your head off-center, makes the face look uneven.
- Injury: an old broken nose or jaw fracture.
- Aging and sun: skin and fat change at different rates on each side, often more on the side that gets more sun.
- Medical conditions: Bell's palsy, stroke, jaw joint problems and rare growth conditions. These cause a clear or sudden change.
When to see a doctor about facial asymmetry
Long-standing, mild asymmetry needs no treatment. A sudden change is different. If one side of the face suddenly droops, especially with arm weakness or slurred speech, it can be a stroke. Call 911 (999 in the UK) right away. Do not wait to see if it passes.
Weakness on one side of the face that builds over a day or two can be Bell's palsy. The NHS says to get help quickly, because treatment works better if it starts within 72 hours. See a doctor or dentist for slower changes too: a jaw that clicks or hurts, a lump, or asymmetry that keeps getting worse.
| What you notice | Could be | What to do |
|---|---|---|
| Sudden droop on one side, arm weakness, or slurred speech | Stroke | Call 911 now |
| One side of the face weak or unable to move, over hours to days | Bell's palsy or another nerve problem | See a doctor the same day |
| Jaw pain, clicking, or a bite that shifted | Jaw joint or dental problem | See a dentist or doctor |
| Asymmetry that slowly gets worse, or a new lump | Growth or other condition | Book a doctor visit |
| Mild difference you have always had | Normal asymmetry | Nothing medical needed |
Source: NHS: Bell's palsy, and when face drooping is a stroke sign
Why your face looks more asymmetrical in photos
A mirror shows you a flipped face. You have looked at that version for years, so it feels right. A camera shows the unflipped version, the one everyone else sees, and every small difference suddenly lands on the wrong side.
A 1977 study tested this. People preferred mirror-image photos of themselves, while their friends preferred the true image. Neither face had changed. Only the familiar version had.
Distance matters too. A study of selfies found that at about 12 inches, the nose looks around 30% wider than at 5 feet. Close front cameras also stretch whatever side sits nearer the lens, which makes asymmetry look bigger than it is.
How to check your facial symmetry
Use a photo, not a mirror, and set it up so the camera does not add asymmetry of its own.
- Stand facing a window so light hits both sides of your face evenly.
- Hold the phone at eye height, at least an arm's length away, or use a timer from 1.5 meters.
- Keep a neutral face with your teeth lightly together. Do not smile.
- Look straight into the lens with your head level. Your pupils should sit at the same height.
- Turn off any beauty filter and mirror setting.
- Run the photo through the facial symmetry tool, or draw a vertical line through the middle of the nose and the center of the lips.
- Compare eye height, brow height, mouth corners and chin position against that line.
- Take two or three photos and compare. Real asymmetry shows up every time. Camera errors move around.
How to fix an asymmetrical face: what helps the look
You cannot make the bone symmetrical without surgery. You can make a mild difference much harder to see, and these changes are quick to try.
Haircut and part
A part on the fuller side of the face, or a style with some texture and volume on top, breaks up the center line that makes asymmetry obvious. A blunt, center-parted cut does the opposite. Try a Hairstyle Tester or a few photos with a different part before you cut.
Beard
A short beard can square off a chin that leans to one side. Shape the neckline and cheek lines by the symmetry you want, not by your jawline. Keep a little more length on the side where the chin looks shorter.
Brows
Uneven brows are one of the most visible asymmetries, and one of the easiest to fix. Trim and fill so the two tails end at the same height. A brow pencil can lift the lower one by a millimeter or two.
Camera angle and distance
Most people have a side they prefer in photos. Find yours by taking the same shot turned 15 degrees each way. Shoot from at least arm's length, or use the 2x lens, and keep the phone at eye height.
Habits
Chew on both sides, sleep on your back when you can, and check your head position at your desk. The evidence that these fix bone is weak, but they cost nothing to try and help with morning puffiness and neck strain.
Do face exercises fix asymmetry? And what about treatment?
Face yoga and one-sided chewing drills are popular fixes on TikTok. There is no good evidence they change skeletal asymmetry in adults. Mewing does not either. If a video promises to straighten your jaw in 30 days, it is selling the video.
Real treatment exists for real cases. Orthodontists fix bite problems that shift the jaw. Surgeons correct larger skeletal differences with jaw surgery, and some use fillers or implants for soft tissue. These are medical decisions for a dentist, orthodontist or surgeon, made after an exam and usually an X-ray.
Is a symmetrical face more attractive?
A little. Studies link symmetry with attractiveness, but the effect is modest and other things matter more: skin, proportions, expression and grooming. Faces edited to be perfectly symmetrical often look odd and less real, because no living face looks like that.
Facial harmony, meaning how features fit together, does more work than strict left-right matching. A face can be clearly asymmetric and still read as very attractive.
How Lookist scores symmetry
Lookist scans one front photo and gives an overall score out of 10 plus 15 feature scores. Symmetry and facial harmony are two of them, and each comes with a written note on what the scan saw. A symmetry score describes that photo. It is not a diagnosis.
Head tilt and side lighting move the symmetry score more than anything else. Use scan history to compare scans taken with the same setup. If you want to see a haircut before you commit, the Hairstyle Tester puts new styles on your own photo.
Frequently asked questions
Is it normal to have an asymmetrical face?
Yes. Every face has differences between its two sides. Mild asymmetry is so common that most people never notice it on others, and even very balanced faces show it when measured.
What is normal facial symmetry?
Small differences of a few millimeters between the eyes, brows, nostrils, mouth corners and chin. Skeletal differences usually need to reach about 4 mm before other people can see them.
Is facial asymmetry rare?
No. Visible asymmetry showed up in 12% to 37% of orthodontic patients in US studies, and measurable asymmetry is present in almost everyone. A perfectly symmetrical face is the rare one.
Can I fix facial asymmetry naturally?
You can make it less visible with a haircut, brow grooming, a beard and better photo angles. You cannot change bone with exercises. Larger asymmetry needs a dentist, orthodontist or surgeon.
Why does my face look more asymmetrical in photos than in the mirror?
The mirror flips your face, and you are used to that version. A photo shows the unflipped face, and close front cameras distort features nearer the lens.
Can sleeping on one side cause facial asymmetry?
It can cause temporary creases and puffiness on that side. Reviews list it as a possible cause of lasting asymmetry, but no controlled study has proven it.
When is facial asymmetry serious?
When it is sudden. A face that droops on one side can be a stroke and needs a 911 call right away. Weakness over a day or two can be Bell's palsy and needs a doctor the same day.
Does facial symmetry make you more attractive?
Slightly, on average. Skin, proportions, expression and grooming matter more, and perfectly symmetrical faces often look unnatural.
Sources and product details
- Thiesen and colleagues, 2015: facial asymmetry, a current review (Dental Press Journal of Orthodontics)
- Haraguchi and colleagues, 2008: asymmetry of the face in 1,800 orthodontic patients (Angle Orthodontist)
- NHS: Bell's palsy, and when face drooping is a stroke sign
- MedlinePlus (US National Library of Medicine): stroke symptoms and the FAST test
- Mita, Dermer and Knight, 1977: reversed facial images and the mere-exposure effect (Journal of Personality and Social Psychology)
- Ward and colleagues, 2018: nasal distortion in short-distance photographs (JAMA Facial Plastic Surgery)
- Lookist on the App Store
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Put your report to use
Lookist scores your symmetry as one of 15 features, with a note on what the scan saw.
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