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Radiofrequency turns into heat in the dermis, tightening existing collagen.
Lifting
Thermage FLX
Monopolar radiofrequency that heats the full dermis evenly to tighten skin and soften fine lines — with sealed genuine tips opened in front of you.
At a glance
- Time
- About 60–90 min
- Numbing
- Topical cream
- Discomfort
- 3 / 5
- Downtime
- Back to normal the same day
- Lasts
- 6–12 months (varies)
- Interval
- Usually once a year
Discomfort is rated after numbing (out of 5). Time, downtime and longevity vary with the treated area and the individual.
Also known as: Thermage, RF skin tightening, radiofrequency lifting
Thermage FLX uses monopolar radiofrequency to heat the full thickness of the dermis, contracting collagen and stimulating new collagen over months. It suits skin that has lost firmness and fine lines across the face. At Taut, the sealed tip is opened in front of you and the shot count is written on your record.
Medically reviewed by IM JUNHYUNG, M.D. · Updated
Overview
What is Thermage FLX?
Skin firmness lives in the dermis. As collagen thins with age, skin loosens and fine lines appear before deeper sagging does.
Thermage FLX delivers radiofrequency heat across a wide area while cooling the surface, so the dermis heats evenly without damaging the top layer. It is often paired with Ultherapy, which treats the deeper SMAS.
How it works
How it works
Heat spreads widely and evenly rather than at single points.
Cooling protects the skin surface during treatment.
New collagen forms over 2–6 months.
Our principles
How we do it at Taut
Opened in front of you, with the lot number recorded.
The shot count is written on your record.
If your sagging is deeper, we’ll say Thermage alone isn’t enough.
Who it’s for
Is it right for you?
Good fit if you have
- Loss of skin firmness
- Fine lines across the face
- Crepey skin around the eyes (eye tip)
- You want firmness without downtime
- Upkeep between Ultherapy sessions
Not suitable if
- Pregnancy or breastfeeding
- Pacemaker or implanted electronic device
- Metal implants in the area
- Active infection in the area
- Very deep sagging (lifting the SMAS first is better)
Details
Procedure details
- Downtime
- Usually none
- Results
- Build over 2–6 months
- Interval
- Usually once a year
On the day
How the visit flows
- 01AssessSkin firmness and thickness checked.
- 02PlanShot count recorded; sealed tip shown.
- 03TreatThe doctor treats with surface cooling.
- 04ConfirmCounter checked; record handed over.
Doctor’s note
Thermage works on the quality of the skin itself. It won’t replace a deep lift, and I’ll tell you if that’s what you need.
Dr. IM JUNHYUNG · 任埈亨
Good to know
Aftercare & risks
- Mild redness may last a few hours.
- Rarely, blisters or burns can occur — contact us if anything feels wrong.
- Avoid saunas for about a week.
- Results and recovery vary by individual.
Questions
Thermage FLX FAQ
Does it hurt?
There is a pulse of heat; numbing cream, cooling and vibration keep it tolerable. If you are worried about pain, let us know beforehand. Besides numbing cream and cooling, we can use painkillers, anesthetic injections or sedation, depending on the treatment, to manage pain first.
600 or 900 shots?
600 for the face, 900 to include more of the neck or a denser plan.
Can I wear makeup after?
Usually the same day.
Is there an eye version?
Yes, a dedicated eye tip for the eyelids and eye area.
How often?
Usually once a year.
Ask the doctor directly.
If something isn’t right for you, we’ll say so. No same-day decision required.