Ultherapy vs Thread Lift: Which Is Better for Jowls?

Jowls are one of the most common reasons people start looking into non-surgical lifting. As we age, the deep supporting tissue loosens, fat pads shift downwards and the skin loses elasticity, softening the once-clean line of the jaw. In Korea, two of the most frequently recommended non-surgical options for jowls are Ultherapy and thread lifting.

They work in very different ways. Ultherapy uses energy to stimulate tightening from within, while a thread lift physically repositions tissue using absorbable sutures. This article compares the two in terms of results, recovery, risks and suitability, so you can approach a consultation with clear questions.

How Ultherapy treats jowls

Ultherapy is a micro-focused ultrasound device. It deposits small points of heat at precise depths, including the SMAS layer that supports the lower face, as well as the dermis. Over the following two to three months, these heated points contract and stimulate new collagen, producing gradual tightening along the jawline and lower cheeks.

Ultherapy is non-invasive: there are no needles or incisions. It works best for early jowls in people whose skin still has reasonable elasticity. The lifting effect is typically subtle to moderate, and results often last around a year before a repeat session is considered.

How a thread lift treats jowls

A thread lift involves inserting fine absorbable threads beneath the skin through small entry points, usually under local anaesthetic. Lifting threads have small barbs or cogs that grip the tissue, allowing the doctor to reposition sagging tissue upwards and backwards. Common thread materials include PDO (polydioxanone), PCL (polycaprolactone) and PLLA (poly-L-lactic acid), which differ in how long they take to dissolve.

The main appeal is an immediate, visible improvement in jowl position. As the threads dissolve over months, they also stimulate some collagen around them. Results are commonly described as lasting roughly a year to a year and a half, depending on the thread type, number of threads and individual anatomy, though this varies widely.

Key differences for jowls

• Mechanism: Ultherapy tightens through heat and collagen remodelling; threads mechanically lift and hold tissue.
• Onset of results: gradual over months with Ultherapy; immediate with threads, with some settling as swelling resolves.
• Strength of lift: threads usually produce a more noticeable repositioning of jowls; Ultherapy produces a subtler tightening.
• Downtime: Ultherapy usually involves minimal downtime. Thread lifts commonly involve swelling, bruising, tightness and sometimes visible puckering for one to two weeks.
• Invasiveness: Ultherapy is non-invasive; a thread lift is a minimally invasive procedure with needle or cannula insertion.
• Activity restrictions: after threads, doctors often advise avoiding wide mouth opening, facial massage, dental work and strenuous exercise for a few weeks. Ultherapy has fewer restrictions.

Risks to be aware of

Ultherapy risks include discomfort during treatment, temporary redness and swelling, tenderness along the jaw, bruising, and rarely temporary nerve irritation causing numbness or weakness. In very thin faces, poorly planned deep treatment could contribute to hollowness.

Thread lift risks are generally greater because the procedure is invasive. They include bruising, swelling, asymmetry, dimpling or puckering of the skin, threads that can be felt or seen, pain when moving the face, infection, thread extrusion and, rarely, nerve or gland irritation. Most minor irregularities settle within weeks, but some may need adjustment or thread removal. Choosing a doctor experienced in facial anatomy is essential.

Who suits each option

• Ultherapy may suit you if: your jowls are mild, your skin is still fairly elastic, you prefer no needles and you can wait for gradual results.
• A thread lift may suit you if: your jowls are moderate, you want a visible change soon, and you can accept one to two weeks of swelling and some restrictions.
• Neither may be ideal if: you have heavy jowls with substantial skin excess, very thin or fragile skin, active infection, bleeding disorders or uncontrolled medical conditions. In such cases a surgical consultation may give a clearer picture.
• Fat-related heaviness: if fullness under the jaw is mainly fat, a doctor might also discuss fat-reducing treatments in addition to lifting.

Can you combine Ultherapy and threads?

Yes, combining is a fairly common strategy in Korea. Threads provide the immediate mechanical lift, while focused ultrasound adds tightening of the deeper layer and skin over time. Doctors often perform Ultherapy first and threads later, or space them several weeks apart, because heat near freshly placed threads may not be ideal. The order and timing should be decided by the treating doctor based on your anatomy.

Planning around a trip to Korea

If you are visiting Seoul, timing matters more for threads than for Ultherapy. Book a thread lift early in your stay so that swelling and bruising can settle and any early concerns can be checked at a follow-up appointment before you fly home. Ultherapy is easier to fit in at any stage. For both, ask for written aftercare instructions in English, details of the device or thread products used, and a contact route if questions arise after you return home.

Conclusion

For jowls, Ultherapy and thread lifting serve different needs. Ultherapy offers gentle, gradual, non-invasive tightening for early changes, while a thread lift offers a more immediate and visible repositioning with more downtime and risk. The best choice depends on the degree of sagging, skin quality and how much recovery time you can accept, all of which are best judged in an in-person consultation.

This article is for general information only and is not a substitute for a medical consultation. Suitability, results and recovery vary from person to person.