In short. Which nerve branches are at risk during a facelift, why most weakness recovers, and the findings that mean it must be assessed rather than watched at home.
Key points
- A patient who cannot feel her forehead may conclude that it is paralysed, and a patient with a genuinely weak forehead may assume it is only numb.
- The reliable test is movement: look in a mirror, raise the brows, screw the eyes shut, smile and frown.
- What the muscles do, rather than what the skin feels, is the information that matters.
Numbness after a facelift is expected and is discussed before the operation. Weakness is different, and it is the finding patients are least prepared for, because a face that does not move is frightening in a way that a face that cannot feel is not. The distinction between the two is the first thing to establish, and it is established by asking a muscle to work rather than by asking how the skin feels.
Numbness, which is expected
The small sensory nerves that supply the skin of the cheek, the temple and the area in front of the ear are disturbed by the operation, and the skin they supply goes numb. This returns slowly, over months, and often incompletely at the margins. It does not affect movement, and it is not a reason to change a plan.
Weakness, which is not
Weakness means a muscle will not move when it is asked to. The branches most often affected are the one that lifts the forehead and brow, and the one that closes the eye. The way to test it is simple: raise the eyebrows, close the eyes firmly, smile, and pull the mouth down. A side that does not move where the other does is the finding. Weakness that appears or worsens after the first day or two is assessed urgently rather than observed.
Test the movement, not the feeling
A patient who cannot feel her forehead may conclude that it is paralysed, and a patient with a genuinely weak forehead may assume it is only numb. The reliable test is movement: look in a mirror, raise the brows, screw the eyes shut, smile and frown. What the muscles do, rather than what the skin feels, is the information that matters.
Why most of it recovers
In most cases the nerve has been bruised, stretched or partly divided rather than completely cut, and it regenerates along its own pathway over weeks to months. Improvement is usually gradual and is followed at intervals, because a change between two examinations says more than either one alone. Recovery cannot be guaranteed for any individual case, and the honest position is that it is watched and supported rather than assumed.
What is done about it
An eye that will not close is protected while the nerve recovers, because exposure damages the surface of the eye independently of the weakness. Physiotherapy and, in selected cases, other measures are used to support movement. Where weakness persists and is not recovering, it is investigated rather than assumed to be temporary, and further options are discussed once the picture is clear. What does not help is waiting at home to see whether it comes back.
Seek care urgently if
- The forehead will not move on one side, or an eye cannot be closed.
- Weakness appears or worsens after the first day or two after surgery.
- The mouth cannot be closed, or drinking and eating have become difficult.
Frequently asked questions
Is a numb face the same as nerve weakness?
No, and the difference decides the urgency. Numbness is an altered sensation over skin whose sensory nerves have been disturbed, it is expected after a lift, and it returns slowly over months. Weakness is a muscle that will not move when asked — a forehead that will not lift, or an eye that will not close — and it is assessed rather than watched.
Does nerve weakness after a facelift recover?
Most weakness that follows a facelift recovers, because the nerve is usually bruised or stretched rather than cut, and it recovers over weeks to months. Recovery cannot be promised for any individual, and it is followed with repeated examinations rather than assumed.
What should I do if my eye will not close?
Have it assessed urgently, and protect the eye in the meantime with the lubrication you were given and any covering you were instructed to use. An eye that stays open cannot keep itself moist, and the surface can be damaged by exposure while the nerve recovers, which is a separate problem from the weakness itself.
Risks & Limitations
- A collection of blood under the skin, which is the classic early facelift emergency and is judged by swelling that is one-sided, tense and painful rather than by size alone.
- Nerve weakness, usually temporary and sometimes not, including an eye that cannot be closed.
- Skin flap problems, where the skin along an incision loses its blood supply and may not survive.
- Infection of the wound, which needs treatment rather than observation.
- Scars are permanent. They mature and fade over many months but do not disappear, and a scar may widen or thicken.
- A hairline that has moved, and an ear pulled forward and downward.
- The operated look from over-pull, which is harder to correct than to avoid.
- A second lift has less to work with than the first, and no outcome can be guaranteed.
When to Seek Care
- Rapid swelling on one side of the face or neck, with tense, shiny skin — seek emergency care now.
- Severe pain, a spreading bruise, or difficulty swallowing or breathing — seek emergency care now.
- New weakness of the forehead, or an eye that cannot be closed — seek care urgently.
- Skin over the face or in front of the ear turning dark, mottled or black — seek care urgently.
- A wound that opens, leaks fluid, or has spreading redness, heat or fever — seek care the same day.
References & Further Reading
- American Society of Plastic Surgeons (ASPS) — facelift and revision guidance
- National Institute for Health and Care Excellence (NICE, UK) — relevant guidance
- Cochrane Library — systematic reviews
- Chinese Medical Association Plastic Surgery Branch — clinical guidance
- Chongqing West District Hospital — Plastic Surgery & Aesthetics Medical Center
This page is patient education, not medical advice, and it does not cite individual studies. Discuss your own case with a qualified clinician. To arrange an assessment at Chongqing West District Hospital, see Contact & Consultation.