How do the two methods tackle the same problem differently?
With age, the skin loses elasticity, the supporting tissues beneath it loosen, and mild sagging becomes noticeable in the lower part of the face, along the jawline and in the neck. HIFU and the thread lift are discussed as non-surgical options for these early changes.
However, the two methods take different approaches. HIFU aims to use the body’s repair response by heating the tissue, and it does not place anything in the skin. In a thread lift, the threads placed under the skin aim to hold the tissue mechanically and move it slightly upwards.
How does HIFU work?
HIFU stands for high-intensity focused ultrasound. Without breaking the skin surface, the device concentrates sound waves on very small points at a certain depth and creates small zones of heat at these points. As the body repairs these zones, it produces new collagen (the supporting protein that gives skin its firmness), and the tissue may tighten somewhat over time.
Because this repair progresses slowly, the result is not seen immediately; in many people it can be assessed more clearly two to six months after the procedure. For details, see our article “HIFU (High-Intensity Focused Ultrasound)”.
How does a thread lift work?
In a thread lift, medical threads made of materials that dissolve in the body over time are placed under the skin with the help of a fine needle or cannula. Barbed threads, which carry small barbs, hooks or cones, aim to hold the tissue and create a slight lifting effect. Smooth threads are used mainly to support skin quality, and no lifting effect is expected from them.
With barbed threads, the effect is seen immediately; however, swelling and tightness in the first days can change the appearance, and part of the lifting effect decreases as the tissue settles. For details, see our article “Thread Lift (Non-Surgical Facial Lifting Threads)”.
Comparison table
The table below is a general comparison. Which one suits you is determined after an examination, according to the degree of sagging, your skin structure and your expectations.
| Feature | HIFU | Thread lift |
|---|---|---|
| How it works | Heats deeper layers with focused ultrasound; stimulates collagen production | Dissolvable threads placed under the skin hold the tissue and move it slightly upwards |
| Is anything placed in the skin? | No; the skin is not punctured | Yes; threads are placed with a needle or cannula, and local anaesthetic is used |
| People it may suit | Mild laxity and good skin elasticity; response is variable with moderate laxity | Mild to moderate sagging and relatively good skin quality |
| When the result shows | Slowly over months; clearer in most people after 2–6 months | Immediately; for the final appearance, a few weeks are usually needed |
| Duration of effect | Varies from person to person; in some people it may be noticeable for a year or longer | Varies with the person and the type of thread; usually measured in months |
| Recovery | Usually back to daily life the same day; there may be redness and tenderness | Swelling, bruising and tightness usually decrease within a few days to two weeks |
| Common, temporary side effects | Redness, mild swelling, tenderness to touch, bruising | Swelling, bruising, a pulling sensation, slight dimpling or asymmetry |
| Less common but important risks | Burns and blistering, temporary numbness, temporary asymmetry of movement due to nerve involvement; occasionally volume loss | Infection, a thread that can be felt or comes out through the skin, granuloma; rarely injury to a nerve or salivary gland |
| State of the evidence | Studies show a measurable but generally moderate improvement; results may vary with the device | Moderate and temporary effect; few strong studies looking at long-term results |
Recovery and daily life
After HIFU, most people return to their daily life the same day. Mild redness and swelling usually go away within a few hours to a few days; tenderness when touched or a mild ache when chewing may last a few days, sometimes a few weeks.
With a thread lift, swelling, bruising and tightness are expected in the first days. You may feel a pulling sensation when you open your mouth wide or chew. Your physician may advise you not to open your mouth very wide, not to massage your face and to avoid intense exercise for a while. If you have an important event, take this into account when planning.
With mild sagging, non-surgical methods can give a subtle improvement; but it would not be right to promise the same result when sagging is significant. Sometimes the most honest advice is to discuss the surgical option as well.
Dr. Hamza GemiciMedical Director, DoktorClub · Aesthetic Medicine Physician
Risks and points to watch
Both methods are medical procedures and should be carried out under the assessment and responsibility of a physician who knows facial anatomy, especially the areas where nerves run. With HIFU, the wrong depth or energy can lead to burns and nerve involvement; devices with unclear technical specifications, or devices sold for home use, carry a particular risk in this respect. With a thread lift, placing the thread at the wrong depth can cause dimpling, a visible thread or more serious injuries.
See a physician without delay if you notice these signs
- Blistering, an open wound or crusting
- New asymmetry or difficulty when smiling, speaking or closing your eye
- Pain, redness, warmth, pus-like discharge or fever that increases as the days go by
- Numbness that does not go away or that spreads
- A thread that can be seen at the skin surface, pricks, or comes out
- Eye pain or a change in vision
- Shortness of breath or rapidly increasing swelling of the face and tongue: call 112 (or your local emergency number) without waiting
If you cannot reach the physician who performed the treatment, go to the nearest emergency department and say which procedure you have had. Do not try to pull or cut the thread yourself, or to correct it by pressing on the area.
What does the evidence say, and what should you expect?
Systematic reviews of HIFU report a measurable improvement in the face and neck; however, the size of the change is generally moderate, and some people may not get a noticeable result. Because most studies were carried out with specific devices, the results cannot be generalised to every device.
For the thread lift too, the effect is moderate and temporary. The types of thread and techniques used vary widely; there are few strong studies looking at long-term results. For this reason, no firm promise should be made about how long the effect will last.
- Neither removes excess skin.
- Neither replaces lost volume; different methods can be discussed for volume loss.
- The effect of both wears off over time, and the ageing process continues.
- Not everyone responds in the same way; the result varies considerably from person to person.
For another group of devices used for a similar purpose, see our article “Radiofrequency Skin Tightening and Radiofrequency Microneedling”.
When should surgery be discussed?
If sagging is significant, if there is excess skin, if there is marked laxity of the jawline and neck or neck bands have formed, or if there is loose skin after significant weight loss, the result expected from HIFU and a thread lift is often not achieved. In these cases, it may be more realistic to discuss surgical face and neck lift options with a plastic surgeon.
Surgery requires an operation, anaesthesia and a longer recovery period; however, with significant sagging it can give a more noticeable and longer-lasting result. Repeating a non-surgical method again and again does not replace surgery where surgery is appropriate.
How is the decision made?
First, the degree of sagging, the thickness and elasticity of your skin, whether there is volume loss and your previous procedures are assessed. If you have had filler, threads or another procedure before, be sure to mention it; this information can affect the timing and the risks.
Having no procedure and continuing regular sun protection and skin care is also a valid option. If you are considering a treatment for the first time, our articles “A Guide for First-Time Medical Aesthetic Patients” and, to assess who will perform the treatment and where, “A 10-Point Safety Checklist for Choosing a Clinic and Physician for Medical Aesthetics” can guide you.
This page is for general information. The method that is right for you can only be determined through an examination and a physician’s assessment.
Questions to ask your physician
- Is my degree of sagging better suited to HIFU, a thread lift or a surgical consultation?
- Realistically, how much change can I expect, and for how long?
- If HIFU is used, which device will it be, and are there reliable studies done with this device?
- If a thread lift is done, what type and material of thread will be used? Can you give me the product details in writing?
- What will my recovery be like after this procedure, and what should I avoid, and for how long?
- How do the fillers, threads or other procedures I have had before affect this plan?
- What can be done if I am not happy with the result or if there is asymmetry?
- If a problem arises, how can I reach you at night or at the weekend?
Frequently asked questions
Is HIFU or a thread lift more effective?
There is no answer that applies to everyone. The two methods work in different ways, and with both the change is mostly moderate. Which one suits you better is assessed at the examination according to the degree of sagging, your skin structure and your expectations.
Which one has the shorter recovery?
After HIFU, most people return to their daily life the same day. With a thread lift, swelling, bruising and tightness usually decrease within a few days to two weeks. The time varies from person to person.
Are both non-surgical facelifts?
Both are non-surgical methods; however, they do not replace a surgical facelift. They do not remove excess skin, and with significant sagging their results often fall short.
Can the two methods be used together?
For some people, different methods can be discussed as parts of the same plan. However, whether they are combined, and the timing, varies from person to person; your physician makes this decision after an examination.
How long do the effects last?
The effect of both is temporary. With HIFU, it may be noticeable for a year or longer in some people; with a thread lift, the duration is usually measured in months, and long-term data are limited. No exact duration should be promised.
Will these methods work if I have significant sagging?
When there is significant sagging and excess skin, the benefit of both methods is usually limited. In this case, it may be more realistic to discuss surgical options with a plastic surgeon.
Sources
- Many ways to firm sagging skin — American Academy of Dermatology (AAD)
- Systematic review and meta-analysis of safety and efficacy of high-intensity focused ultrasound (HIFU) for face and neck rejuvenation (Ayatollahi A et al.). PMID: 32026164 — Lasers in Medical Science, 2020
- A Systematic Review of the Efficacy of Microfocused Ultrasound for Facial Skin Tightening (Contini M et al.). PMID: 36674277 — International Journal of Environmental Research and Public Health, 2023
- Update on Absorbable Facial Thread Lifts (Riopelle AM, Geisler AN, Eber A, Dover JS). Dermatol Surg 51(5):509–514 — Dermatologic Surgery, 2025
- Safety Profile of Thread Lifts on the Face and Neck: An Evidence-Based Systematic Review (Pham CT et al.). Dermatol Surg 47(11):1460–1465 — Dermatologic Surgery, 2021
- Before you have a cosmetic procedure — NHS
Medical Aesthetics Expert Board
This article has been reviewed by the DoktorClub Medical Aesthetics Expert Board.
