Ultherapy vs Thermage for Jawline Lifting

Quick answer: For jawline lifting, Ultherapy is usually better when the jawline is blurred by jowls or drooping tissue, because it lifts at the deep SMAS layer. Thermage FLX is better when the jaw contour is mostly intact but the skin along it looks loose or crepey. If your jaw looks wide or soft for other reasons, Botox, InMode or chin filler may matter more.

When people search for Ultherapy vs Thermage for jawline lifting, they usually want the same thing: a cleaner line from ear to chin. Both devices can help, but they help in different situations. Before choosing, it is worth understanding why your jawline has changed, because a device that targets the wrong cause will disappoint, no matter how much it costs.

A doctor in Seoul will usually look for five factors, often more than one at the same time:

1. Descended tissue (jowls): the deeper support layer loosens, and soft tissue slides below the jaw bone.
2. Loose skin: thinner, less elastic skin creates a soft, crepey edge, especially toward the neck.
3. Fat: small fat pockets along the jaw or under the chin round off the angle.
4. A strong masseter muscle: a bulky jaw muscle makes the lower face wide and square.
5. A short or recessed chin: without forward projection, the jawline looks less defined from the side.

Ultherapy mainly addresses the first factor, Thermage FLX the second. The others call for different tools, covered below.

For jowls, Ultherapy is generally the better choice. It is a micro-focused ultrasound treatment that uses real-time imaging to deliver heat to the SMAS, the same layer surgeons tighten in a facelift. Along the jaw, where skin thickness and bone depth change quickly, imaging helps the practitioner place energy accurately. Many doctors focus extra lines along the jawline and under the chin.

Thermage FLX is a monopolar radiofrequency treatment that heats the dermis broadly. It tightens and smooths the skin envelope over the jaw and neck, which can sharpen the look of a jawline whose problem is laxity rather than drooping. Read more on the pages for Ultherapy jawline lifting in Hongdae and Thermage FLX in Hongdae.

If jowls are heavy, energy-based lifting has limits. A doctor may suggest thread lifting for a more immediate mechanical lift along the jaw, sometimes combined with Ultherapy.

Korean clinics are known for the V-line look, and it is rarely achieved with one device. Common partners include:

• Jaw Botox to slim a bulky masseter over 4–8 weeks; results typically last longer than Botox elsewhere on the face.
• InMode Mini FX or double chin injections to reduce small fat pockets under the jaw.
• Chin filler to add projection so the jawline reads sharper from the side.

For a closer look at these injectable options, see best treatments for double chin and jawline in Korea.

Jawline-focused plans often use fewer lines or shots than a full face, though many doctors still recommend treating the whole lower face and neck for a natural result. These are approximate 2026 Seoul market ranges, converted at about KRW 1,400 per US dollar, and are not the prices of any single clinic.

Prices vary with the number of lines or shots, Ultherapy Prime versus the earlier system, genuine sealed tips, Korean versus imported toxin, whether the doctor performs the treatment, numbing and aftercare, and 10% VAT, which is usually added. See Ultherapy cost by 100, 300 and 600 lines, Thermage 300 vs 600 vs 900 shots pricing and jaw Botox cost in Korea, then check a clinic’s current price list.

Both typically need 0–1 day of downtime. After Ultherapy, the jaw and under-chin area may feel tender or slightly swollen for a few days, and some people notice brief tingling along the jaw. After Thermage FLX, mild redness usually fades within hours. You can usually fly the next day.

If you add Botox, avoid massage and saunas for 24–48 hours. If you add chin filler, allow 2–3 days for swelling before photos or events. Tell the doctor if you are pregnant or breastfeeding, have metal implants or a pacemaker, or have had recent filler along the jaw. Results vary, so wear sunscreen and keep expectations realistic.

Hongdae is a convenient base for jawline treatments. Hongik Univ. Station connects Line 2, the Gyeongui–Jungang Line and the AREX Airport Railroad, with direct trains to Incheon and Gimpo airports.

• Language: ask whether English- or Japanese-speaking staff are available.
• Booking: many clinics take consultations by WhatsApp or KakaoTalk. Send photos from the front, both sides and looking slightly down, plus your travel dates.
• Details to confirm: who performs the treatment, the exact number of lines, shots or cc, and whether VAT is included.
• Timing: leave a buffer before flights.

Read more about Ultherapy in Seoul and Thermage FLX in Seoul, and compare options on the current Hongdae clinic price list.

They can improve definition, but a V-line usually needs more than one treatment. Ultherapy lifts jowls and Thermage FLX tightens loose skin, while a wide jaw from muscle needs jaw Botox and a short chin may need chin filler. In Korea, V-line plans often combine a lifting device with injectables, chosen by a doctor.

It varies. Some people receive about 100 lines focused on the lower face and under the chin, while others have 300 lines or more covering the full face so the result looks balanced. The doctor decides based on your tissue thickness, how much sagging is present and your budget. Results build over 2–3 months.

Often, yes. The jawline sits close to bone, so the deep heat from Ultherapy can feel sharper there than on the cheeks. Clinics in Seoul commonly use numbing cream, and energy can be adjusted. Thermage FLX tends to feel more evenly hot, with cooling and vibration between pulses.

Many doctors prefer to treat with a lifting device first and inject jaw Botox at the end of the same visit, or to separate them by a few days. Order and timing depend on the doctor’s approach. Jaw Botox slims the muscle over 4–8 weeks, while lifting results build over 2–6 months.

For most people, one session of Ultherapy or Thermage FLX is enough to see a change, with maintenance about once a year for Ultherapy and every one to two years for Thermage FLX. If fat or muscle is part of the problem, you may need InMode sessions or repeat Botox every few months as well.

• Ultherapy vs Thermage: Which Is Better for Skin Lifting?
• Thermage vs Ultherapy vs InMode: Which Is Best for You?
• Ultherapy Cost in Seoul: 100, 300 & 600 Shot Price Guide
• Jaw Botox Cost in Korea: Seoul Price Guide

This guide is general information for international visitors, not medical advice. A doctor confirms suitability, dosage and number of sessions at consultation. Prices are approximate Seoul market ranges and change over time — always check the clinic's current price list. Last updated: October 2026.