After a thread lift, bruising and swelling usually settle within about 5 days. The tight, achy soreness tends to last a few days and is typically manageable with over-the-counter pain relievers.

The picture changes if swelling hasn't improved after 2 days, or if you develop a fever or a headache that won't go away. Those can point to an infection, and they're not something to wait out. Below, we walk through what's normal day by day and which signs mean you shouldn't wait.

How Many Days of Swelling and Pain Are Normal After a Thread Lift?

For most people, bruising and swelling fade over roughly 5 days. A thread lift uses a fine needle to place threads under the skin, so bruising and puffiness along the path the needle took are an expected part of healing.

A review that pooled 19 studies of absorbable threads (1,406 patients in total) found bruising in 19.5% of patients, swelling in 16.8%, and tenderness to the touch in 10.0%. A hematoma, where blood collects and forms a firm swelling, was rare at 0.6%. Bruising and swelling were more common with barbed (cog) threads, with PCL threads, and when the threads were placed to lift the midcheek.

*PCL (polycaprolactone): one of the materials used for threads that dissolve slowly in the body.

The thing to watch is direction. If the bruise and swelling look a little smaller each day, it's fine to keep watching. If they stay the same or start spreading, check first whether you also have a fever or a headache.

Will Dimpling or Lumpiness on My Cheek Smooth Out on Its Own?

Not always. Dimpling and an uneven contour don't behave like bruising. A review of 59 papers covering about 14,000 face and neck thread lift patients found that most complications went away by themselves. Contour irregularities, though, were grouped with infection, inflammatory reactions, and injury to blood vessels or salivary glands as the complications that didn't resolve on their own.

Think of a thread sitting too close to the surface like a drawstring stitched just under thin fabric: every pull puckers the surface. Where a thread ends up too shallow, dimpling, inflammation, or scarring can follow. One case report describes a doctor removing a shallow thread with a small hook-shaped instrument.

If the same spot still looks indented after the swelling is gone, or you can see the line of a thread through your skin, have the clinic that did your procedure check where the thread is sitting.

Thread Lift Side Effects: Which Signs Mean Call Right Away?

Infection was reported in about 2% of patients. It's uncommon, but it doesn't clear up without treatment. Cleveland Clinic lists fever, a headache that won't go away, and swelling that lasts more than 48 hours as signs of infection that call for contacting your provider right away. Because those signs overlap with ordinary swelling that takes about 5 days to fade, start asking yourself from day 2 onward: is the swelling actually going down?

What's usually fine to watch

• Bruising and swelling that get smaller every day over about 5 days

• Tightness and tenderness when you press, manageable with pain relievers for a few days

Contact your provider right away if you notice

• A fever

• A headache that won't go away

• Swelling that lasts longer than 48 hours

• The end of a thread showing through or poking out of the skin

• Numbness or reduced feeling on one side of your face

Allergic reactions and bleeding are also listed as uncommon complications. If the treated area swells up and itches, or keeps oozing blood, contact your provider the same way. You can send photos by message, but a message isn't a substitute for being seen in person.

Do Dissolvable Threads Cause Fewer Side Effects?

For nerve-related changes and threads poking out, yes. A meta-analysis of 26 studies found sensory changes in 3.1% of patients with absorbable threads and thread extrusion in 1.6%. With non-absorbable threads, those numbers were 11.7% and 7.6%.

Even among absorbable threads, barbed threads had more complications than smooth ones, and threads that weren't anchored had more than anchored ones. That said, these are pooled rates from different studies, and individual results vary. Knowing your thread type ahead of time makes it easier to judge whether a bruise that lingers a couple of extra days is still within the range you were told to expect.

Are Side Effects More Likely if You're Over 50?

Dimpling and infection were both reported more often in patients over 50. In the same meta-analysis, dimpling occurred in 16% of patients over 50 versus 5.6% of those 50 and under, and infection in 5.9% versus 0.7%.

Since dimpling isn't one of the complications that fades by itself, it makes sense for patients over 50 to settle the number of threads and how deep they'll go before the procedure starts. At Beautystone, a clinic in Seoul's Hapjeong area, the doctor looks at the balance of your whole face and the difference in sagging between the left and right sides first, then decides the direction and number of threads.

How Long Does the Lift Last, and Can Threads Come Out?

Cleveland Clinic gives a typical range of 1 to 3 years. The threads dissolve and are absorbed over time, so the result fades gradually along with them. In the 26-study meta-analysis, satisfaction was 98% right after the procedure and 88% at 6 months. How much lift you keep depends on your skin and how much sagging you started with.

Threads can be removed if you're unhappy with the result. Whether removal makes sense depends on how deep the thread sits and how long it's been since the procedure, which is something your provider checks in person.

The Bottom Line: Compare Day 1 and Day 5 Photos

Take a photo of your face the day after the procedure and again on day 5, in the same light and from the same angle. Side by side, it's much easier to tell whether the swelling is really going down. If it looks the same after 2 days, send those photos when you reach out.

If you haven't had the procedure yet, ask which absorbable thread would be used for your face and whether the ends will be anchored. That one answer makes your options easier to compare. Beautystone is a clinic in Seoul's Hapjeong area, and you can contact us on WhatsApp. When you do, include your age range, the area where sagging bothers you most, and when you last had a thread lift. Pricing is listed on our price page.

Sources

• How often complications happen after facial thread lifts, pooled from 26 studies — Aesthetic Plast Surg, 2021

• Side effects of absorbable threads compared across 19 studies and 1,406 patients — Dermatol Surg, 2025

• Safety of face and neck thread lifts across 59 papers — Dermatol Surg, 2021

• Removing a shallow thread with a hook-shaped instrument, a case report — J Craniofac Surg, 2025

• Thread lift recovery time and signs of infection — Cleveland Clinic