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Thermage FLX vs Eye Thermage FLX: How to Choose

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

Choosing between Thermage FLX vs Eye Thermage FLX often comes down to which area of the face you want to address and how much downtime you can accept. Both treatments use radiofrequency energy to stimulate collagen, but they are designed for different zones and different intensities of concern. This page compares the two options as offered at DERNA Clinic, based only on the details published by the clinic, so you can discuss the right fit with a doctor during consultation.

What it is

Thermage FLX is a radiofrequency skin-tightening treatment delivered with the Solta Thermage FLX device. It heats the deeper layers of skin to encourage collagen regeneration, which over time may improve elasticity and soften the appearance of fine lines. The full-face version is available in 300, 600, or 900 shot options, with the number of shots reflecting treatment coverage and intensity rather than a fixed outcome. Eye Thermage FLX uses the same underlying technology but is applied specifically to the delicate skin around the eyes, offered in 225 or 450 shot protocols. Because the periorbital area is thinner and more sensitive, the settings and applicator size differ from the full-face version.

Who it suits

Full-face Thermage FLX is generally considered by people noticing early to moderate skin laxity across the cheeks, jawline, or forehead who want a non-surgical option to support skin firmness. Eye Thermage FLX is more often chosen by patients concerned specifically with under-eye looseness, crepey texture, or mild sagging near the brow and eyelid. When comparing Thermage FLX vs Eye Thermage FLX, the decision usually depends on whether the concern is localized to the eye region or spread across the broader face. Some patients combine both treatments in the same visit if they want comprehensive coverage, though this should be discussed with the treating doctor based on individual skin condition.

Who should avoid it

Radiofrequency treatments of this type are typically not recommended for pregnant women, people with active skin infections or severe acne breakouts in the treatment area, or those with certain implanted electronic devices such as pacemakers. Individuals with a history of keloid scarring, active autoimmune skin conditions, or recent injectable fillers in the treatment zone should mention this during consultation, as timing may need to be adjusted. Because eye skin is thinner, Eye Thermage FLX candidates with significant eye conditions, recent eye surgery, or dry eye disease should raise this with the doctor before proceeding. A consultation is the appropriate place to review personal medical history and confirm suitability, since individual factors vary widely.

How the session goes

Before either treatment, the skin is cleansed and a numbing cream is typically applied to improve comfort, since the device delivers heat pulses that can feel warm or slightly stinging. A conductive gel is used to help the applicator tip glide across the skin and improve energy delivery. The doctor or trained staff member moves the tip across the treatment area in a grid pattern, adjusting energy levels based on skin thickness and patient tolerance. Full-face sessions generally take longer than eye-area sessions simply because of the larger surface covered, though exact timing depends on the shot count selected. Patients are usually able to see and feel the treated skin immediately, though visible changes develop gradually over the following weeks as collagen remodels.

Downtime and recovery

One of the appeals of both treatments is the minimal downtime compared to surgical options. Mild redness or warmth in the treated area is common immediately after the session and usually settles within a few hours. Some patients notice slight swelling, particularly around the eyes after Eye Thermage FLX, which typically resolves within a day or two. Makeup can often be applied shortly after treatment once redness has faded, though the clinic may advise waiting a short period depending on skin reaction. Sun protection is generally recommended in the days following treatment, as skin can be more sensitive to UV exposure. Results are not immediate or guaranteed to be uniform; collagen production is a gradual biological process, and visible improvement in skin firmness usually unfolds over one to three months, with individual variation in both timing and degree of change.

Pricing

According to current clinic pricing, full-face Thermage FLX is listed at 1,990,000 KRW, covering the 300, 600, or 900 shot protocol options. Eye Thermage FLX is listed at 1,290,000 KRW, available in 225 or 450 shot options. These figures may not include VAT, and final quotes can vary depending on the consultation, the specific protocol chosen, and any combination treatments discussed with the doctor. Patients comparing Thermage FLX vs Eye Thermage FLX on cost alone should also weigh coverage area and treatment goals, since the two are not interchangeable substitutes for one another.

Safety

Radiofrequency treatments using established devices such as Thermage FLX are widely used in aesthetic clinics, but no cosmetic treatment is entirely free of risk or side effects. Possible reactions include temporary redness, swelling, or in rare cases blistering or changes in skin texture if energy settings are not matched appropriately to the individual. A thorough consultation, accurate medical history, and appropriate device settings help reduce risk, but outcomes and tolerance differ between patients. DERNA Clinic is located at B2F, 17 Seocho-daero 77-gil, Seocho-gu, Seoul, and is open Monday through Sunday from 10:00 to 22:00, with Wednesday mornings from 10:00 to 11:00 reserved for staff training. Patients can reach the clinic at +82 2-3478-8970 or [email protected] to arrange a consultation and confirm which option, or combination, may be appropriate for their skin.

Frequently asked questions

Is Thermage FLX painful?

Most patients describe the sensation as warm heat pulses rather than sharp pain, especially with numbing cream applied beforehand, though comfort levels vary by individual.

Can I choose Eye Thermage FLX only, without treating the full face?

Yes, Eye Thermage FLX is offered as a standalone treatment for the eye area and does not require combining it with the full-face protocol.

How soon will I see results after treatment?

Some patients notice subtle changes early on, but most visible improvement in skin firmness develops gradually over one to three months as collagen remodels.

How many sessions are typically needed?

Many patients undergo a single session per treatment cycle, though the doctor may discuss repeat sessions depending on skin condition and goals during consultation.

Do the listed prices include consultation fees or VAT?

Pricing may be subject to VAT and consultation fees can vary, so it is best to confirm the full cost breakdown directly with the clinic before booking.

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

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