SEOLREIM · JOURNAL
ONDA or Ultherapy for a double chin? A consultation chart separating submental fat from skin sagging
Full translation of the Korean article. Translation checked for completeness, numerical consistency and medical meaning; separate medical review of this translation is pending. Translation updated: 2026-10-28.

Choosing ONDA or Ultherapy for a double chin first requires assessing whether submental fat or sagging skin and tissue is the main issue. Chin structure, neck posture and weight changes also influence contours. ONDA uses microwaves; Ultherapy uses focused ultrasound with visualization. They cannot be interchanged simply because both are called lifting or by comparing energy numbers.
Do not treat submental fullness and a sagging jawline as the same goal
At consultation, first describe the single concern that matters most: submental fullness, jawline sagging or neck skin wrinkles. Photograph frontal and side views in the same posture, but do not determine suitability from photographs with the neck sharply extended or chin tucked alone. After checking fat volume, skin thickness, sagging, chin structure and existing injectables, the physician must distinguish tissues that can be reduced from volume that should be preserved. Do not routinely add contour-reduction options to a face without a fat-reduction goal or assume more shots can resolve severe skin laxity.
| Main concern | What to check | Treatment boundaries |
|---|---|---|
| Localized fullness beneath the chin | Causes involving subcutaneous fat, skin or other structures | Not all fullness is fat |
| Sagging jawline | Skin and tissue sagging and volume distribution | Ultrasound is not the same as a fat-removal procedure |
| Little facial fat with neck sagging only | Volume to preserve, indications and excluded areas | Do not automatically aim for contour reduction |
| A small chin or changes with posture | Chin structure, neck posture and examination findings | Devices alone cannot change every structural issue |
| A package offering both treatments | The separate goal added by each procedure | No guarantee that having both completes the result |
Definitions and how the treatments work
The devices differ in energy delivery and application planning. Ultherapy uses imaging and area-specific planning; for ONDA, check the actual model, handpiece and cooling conditions. A 2026 paper comparing microwaves and HIFU was a single-center retrospective study. It was not randomized, and not every HIFU device is Ultherapy, so it is not generalized into an individual choice or universal ranking of the brands.
Potential benefits and limitations
Local contour or sagging appearance may change in selected candidates, but correction of chin structure, weight loss or a substitute for surgical skin excision cannot be guaranteed. Study assessments at one and three months also differ from an individual’s timing of change. Do not interpret immediate swelling or camera angles as long-term outcomes; establish goal-specific follow-up assessment.
Who can seek a consultation and how suitability is assessed
Adults concerned about local contours or mild sagging who fit the actual device’s indications may seek consultation. Severe laxity, unexplained lumps or rapidly developing asymmetry require separate medical care. Disclose pregnancy, breastfeeding, implanted electronic devices, metal, reduced sensation, infection, wounds, existing fillers, threads, surgery and weight changes to check contraindications and reasons to postpone.
Procedure, recovery and scheduling
Record goals and baseline photographs and obtain explanations of the actual model, areas, tips, handpiece, energy plan, anesthesia and stopping signals. ONDA kJ and Ultherapy treatment lines are different units. Redness, swelling and tenderness may persist for several days or longer; persistent tingling or skin injury requires assessment. Discuss sightseeing, photography and flight schedules alongside normal recovery and follow-up access; do not assume a universal time when flying is possible.

Side effects, contraindications and symptoms requiring medical attention
Burns, blisters, pigment changes, pain, altered sensation and unwanted volume changes are possible. Immediately report deep or worsening pain or excessive heat during treatment. Blisters, oozing, persistent tingling or new movement asymmetry also require clinical assessment. Genuine devices, cooling and imaging do not reduce risk to 0.
Compare ONDA, Ultherapy and other approaches by goals
| Category | Role and goals | What to check |
|---|---|---|
| ONDA | Microwave-based contour and firmness planning | Check the actual model, indications, handpiece and volume to preserve |
| Ultherapy | Focused-ultrasound planning with visualization | Check sagging areas, tissue condition and treatment placement |
| Other medical or surgical consultation | Separate issues such as structure or severe skin laxity | First establish the limitations of device procedures |
Questions and answers for a medical consultation
These consultation questions were compiled from the literature and do not represent a clinician interview or an individual prescription. Clinical review of the new article has not yet been completed.
Q. Is ONDA for fat and Ultherapy for sagging always the right distinction?
A. This simple distinction is only a consultation starting point. Assess actual tissues, devices and indications.
Q. Do I compare ONDA kJ with Ultherapy shot counts?
A. They cannot be converted. Compare each treatment’s goals, areas, plan and included items separately.
Q. Is combining both better?
A. Check whether the additional goal is clear and assess cumulative irritation, recovery and monitoring; universal superiority cannot be guaranteed.
Consultation with the SEOLREIM clinic director and signature programs
SEOLREIM Clinic states its principles of physician-led consultations and procedures, genuine products, accurate quantities and attentive care. Consultation starts by distinguishing skin condition and goals, then checking the products and devices actually available, approved indications, dose or energy plans, recovery and risks. SEOLREIM’s official Best 10 menu includes ONDA lifting and Ultherapy. For Benjamin Lifting too, do not infer a fixed combination from its name alone; confirm actual components and goals. An official menu describes availability and differs from evidence of individual effects.
Booking, languages, location and guidance for international visitors
Visitors seeking Ultherapy Korea or a Gangnam skin clinic should communicate desired contours, previous filler and thread records, and stay and departure dates. Consultation photographs are preparation material, not a substitute for in-person examination to finalize a device choice. SEOLREIM Clinic is on the 11th floor of the Gangnam8258 Building, approximately 1 minute from exit 3 of Gangnam Station. Book through the website’s KakaoTalk consultation, Naver booking or telephone channels. International visitors comparing dermatology clinics in Gangnam, Seoul, near Gangnam Station or elsewhere in Korea should prepare information on medications, allergies, recent procedures and departure dates. When booking, state your preferred language, such as Japanese, Chinese, Arabic, Mongolian or Indonesian, and whether interpretation is needed, and confirm the actual scope and cost of support. Continuous consultation availability in each language and same-day procedures cannot be guaranteed. During consultation, also agree on how to contact the clinic about adverse reactions after returning home and the follow-up schedule.
Evidence sources and related articles
Retrospective comparison of microwaves and HIFU (2026-04-07): https://pubmed.ncbi.nlm.nih.gov/41403025/ ; Ultherapy instructions for use: https://ultherapy.com/app/uploads/2021/10/1015107IFU-Rev-A-US-Instructions-for-Use.pdf ; SEOLREIM ONDA menu: https://www.sulskin.co.kr/treatments/onda-lifting . Study devices and models were not assumed identical to those actually available. Evidence and official information checked: 2026-10-15.
Related article: Ultherapy and HIFU for lean faces: cheek-hollowing risks and cartridge planning https://www.sulskin.co.kr/pages/en/product-325 / Before booking an Ultherapy and Thermage package: how to verify shot counts, areas and authenticity https://www.sulskin.co.kr/pages/en/product-355
Authorship, review and dates
Author: SEOLREIM content editor / Medical professional review: completed / Review confirmed: 2026-10-23 / Published: 2026-10-15 / Updated: 2026-10-27. This is general medical information and does not replace individual diagnosis or a prescribed procedure plan.
SEOLREIM · GANGNAM, SEOUL
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