Thermage FLX vs Sofwave: How They Differ in Method, Recovery and Results

Thermage FLX heats the dermis broadly with radiofrequency, while Sofwave sends parallel ultrasound beams to the mid-dermis. Both target dermal collagen but differ in energy type and heat distribution.
Medically reviewed by Dr. Lee Da-in, Medical Director, Daybeau Clinic Seomyeon · Last reviewed October 2026

In short

Thermage FLX heats the dermis broadly with radiofrequency, while Sofwave sends parallel ultrasound beams to the mid-dermis. Both target dermal collagen but differ in energy type and heat distribution.

Side-by-side

Thermage FLX Sofwave
Device / product Thermage FLX Sofwave
Main concerns Skin laxity, Fine facial lines, Lines around the eyes Sagging facial contour, Lines around the eyes, Neck lines
Treatment time about 40–90 minutes depending on shots about 30–45 minutes
Downtime minimal (temporary redness or swelling) minimal (temporary redness)
Results immediate tightening, with gradual improvement over 2–6 months gradual improvement over weeks to months
Repeat interval usually reassessed around once a year usually reassessed around once a year

Can they be combined?

They work differently, so when concerns overlap they are often scheduled together or in sequence. Discuss the plan with Dr. Lee Da-in.

Full guides: Thermage FLX · Sofwave

Medical notice: every procedure can cause side effects such as swelling, bruising, redness, pain, inflammation or pigmentation, and results and their duration vary between individuals. Suitability and method are decided only after a consultation with the doctor. This page is general information, not a diagnosis. Fees follow the clinic's official non-covered fee schedule.

Frequently Asked Questions

Should I start with Thermage FLX or Sofwave?

The main cause (muscle, volume, sagging, skin quality and so on) is assessed first to set the order.

Can I get Thermage FLX and Sofwave on the same day?

Depending on the combination and areas it is sometimes possible; it is decided at consultation.

How does recovery compare between Thermage FLX and Sofwave?

Thermage FLX: minimal (temporary redness or swelling). Sofwave: minimal (temporary redness).

Dr. Lee Da-in

Not sure this is the right treatment?

Send Dr. Lee's team a photo and your travel dates. We'll suggest a plan and a consultation time.

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