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Sagging Skin & Loss of Firmness — Treatment Options in Seoul

Medically reviewed by Kim Yunseok, CEO / Representative Director · Reviewed by our editorial team

Sagging skin along the jawline, cheeks, and under the eyes is one of the most common concerns patients raise during consultations in Seoul. As collagen and elastin naturally decline with age, sun exposure, and lifestyle factors, the skin's supportive structure weakens, leading to a less defined facial contour. For patients researching a sagging skin treatment seoul clinics can offer, it helps to understand what non-surgical options are available, how they work, and what realistic expectations look like before booking a consultation.

What causes sagging skin

Skin laxity develops gradually. Reduced collagen production, thinning of the dermis, and loss of subcutaneous fat all contribute to a looser, less elastic appearance. Gravity, repeated facial movement, weight fluctuation, and sun exposure can accelerate the process. Because the degree of laxity varies from person to person, the most suitable approach also varies — some patients benefit from skin-tightening devices, while others may need a combination of treatments over time.

What the treatments are

At DERNA Clinic, two device-based options are commonly discussed for firmness concerns: Thermage FLX and Ultherapy Prime. Thermage FLX is a radiofrequency treatment that uses the Solta Thermage FLX device to stimulate collagen regeneration, which may improve skin elasticity and reduce the appearance of fine wrinkles over time. It is available in 300, 600, and 900 shot protocols, as well as a dedicated Eye Thermage FLX option for the delicate periorbital area, offered in 225 or 450 shot sessions. Ultherapy Prime is an ultrasound-based lifting treatment that visualizes the skin layers in real time, allowing energy to be delivered to the SMAS, or fascia, layer. It is available in 300 and 600 shot options, with a 200 shot protocol for the eye area. Both approaches aim to work with the skin's own repair process rather than surgically removing excess tissue, so results tend to develop gradually rather than appearing immediately.

Who this suits

These treatments are generally considered for adults with mild to moderate skin laxity who are not yet seeking surgical intervention. Patients noticing early jowl formation, a softened jawline, looser cheek skin, or crepey skin around the eyes are typical candidates for a non-surgical sagging skin treatment. Because response to collagen-stimulating devices varies by skin type, age, and the extent of laxity, a personal consultation is necessary to determine whether Thermage, Ultherapy, or a combination approach is more appropriate for an individual's goals.

Who should avoid it

Radiofrequency and ultrasound-based lifting treatments are not suitable for everyone. Patients who are pregnant, have active skin infections or open wounds in the treatment area, have certain implanted electronic devices, or have significant, advanced skin laxity that may respond better to surgical options should discuss alternatives with a doctor. Individuals with certain autoimmune or connective tissue conditions, or those with unrealistic expectations of a permanent or dramatic transformation, should also have a detailed discussion during consultation, since outcomes differ from person to person and no device-based treatment can fully replicate the results of surgery.

How the session goes

During a typical visit, the treatment area is cleansed and a numbing or cooling gel may be applied to improve comfort. For Thermage FLX, the device head is moved across the skin in a grid pattern, delivering controlled radiofrequency energy while continuously monitoring skin temperature. For Ultherapy Prime, ultrasound imaging is used to visualize the tissue layers before energy is delivered at a targeted depth. Sessions can take anywhere from thirty minutes to over an hour depending on the treatment area and the number of shots selected. Most patients describe a warming or tingling sensation rather than significant pain, though sensitivity varies.

Downtime and recovery

One advantage often cited for these non-surgical options is minimal downtime. Mild redness, warmth, or slight swelling can occur immediately after treatment but typically resolves within a few hours to a day. Most patients are able to return to normal activities the same day, though sun protection and gentle skincare are usually recommended for the following days. Visible improvement is not immediate; collagen remodeling takes time, so changes in firmness are usually noticed gradually over the following weeks to months, and results can vary based on individual skin condition and lifestyle.

Pricing

According to the clinic's published pricing, Thermage FLX is listed at 1,990,000 KRW, Eye Thermage FLX at 1,290,000 KRW, and Ultherapy Prime at 1,450,000 KRW. These figures represent standard listed prices and may not include VAT or the consultation fee; exact costs should be confirmed with the clinic in advance, as pricing can depend on the number of shots, treatment area, and any combination protocol recommended after examination.

Safety

Any energy-based skin treatment carries some degree of individual variability in both comfort and outcome. Consultation with a qualified doctor before treatment is important to review medical history and determine candidacy. At DERNA Clinic, the medical team includes Dr. Kim Yunseok, CEO and an orthopedic surgeon, and Dr. Ko Bumjun, an otolaryngologist specializing in nose and face contour, among other M.D.s on staff. Patients are encouraged to ask about the specific doctor performing their treatment during consultation. As with any cosmetic procedure, results and recovery experiences differ between patients, and no clinic can guarantee a specific outcome.

Visiting the clinic

DERNA Clinic is located at B2F, 17 Seocho-daero 77-gil, Seocho-gu, Seoul, and is open daily from 10:00 to 22:00, with Wednesday mornings from 10:00 to 11:00 reserved for staff training and closed to patients. International patients can reach the clinic by phone at +82 2-3478-8970 or by email at [email protected] to arrange a consultation before booking a sagging skin treatment seoul appointment, particularly if travel scheduling requires advance planning.

Frequently asked questions

How many sessions are usually needed to see improvement?

This depends on the individual's skin condition and the specific treatment chosen; some patients notice gradual firming after a single session, while others may be advised to consider additional sessions based on their consultation.

Is Thermage or Ultherapy more suitable for jawline sagging?

Both target skin firmness through different mechanisms, and suitability depends on the depth and severity of laxity; a doctor can assess this during an in-person or consultation review.

Can these treatments be combined with other procedures?

Combination approaches are sometimes discussed during consultation, but any recommendation depends on individual skin assessment and medical history.

Will there be visible marks or bruising afterward?

Mild redness or warmth is common immediately after treatment, but visible bruising is uncommon; sensitivity and reaction can vary between patients.

Do I need a follow-up visit after treatment?

Many patients are advised to schedule a follow-up to review progress, since collagen remodeling develops over weeks to months and additional guidance may be given based on individual results.

General information for international patients. Not medical advice. Individual results vary; consult a qualified physician.

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