Thermage FLX
Known for its ability to address skin laxity, fine lines, and wrinkles, Thermage FLX delivers long-lasting results by stimulating collagen production deep within the skin. This non-surgical procedure is ideal for those seeking a youthful, refreshed appearance with minimal downtime.

Thermage FLX is the latest and most advanced version of Thermage, an FDA-cleared, non-invasive radiofrequency (RF) treatment that effectively tightens, lifts, and contours the skin.
How Thermage FLX works
Deep heat, cool surface.
Thermage FLX uses advanced RF technology to deliver controlled heat energy to the deep layers of the skin. This stimulates the production of collagen and elastin, which are essential for skin firmness and elasticity. The process also triggers the natural healing response of the skin, which gradually lifts and tightens sagging areas, improving overall skin texture and tone. Thermage FLX is a versatile treatment, capable of addressing both the face and body.
- Technology
- Monopolar radiofrequency
- Comfort
- Patented cooling sensation at the surface
- Skin types
- All skin types and tones
- Areas
- Face, neck, abdomen and thighs
- Typical course
- One treatment for most patients
- Downtime
- Minimal


Thermage FLX treatment benefits
What the device does for skin.
Stimulates collagen production to lift and tighten loose skin, especially around the face, neck, and jawline.
Smoothens and softens the appearance of fine lines and wrinkles for a more youthful look.
Enhances skin's overall texture, reducing sagging and improving skin tone and elasticity.
Thermage FLX is a non-surgical procedure, with minimal recovery time and no need for injections or cuts.
Customised treatment plan
Built around your concerns.
At Dr Jinah Yoo, we offer tailored Thermage FLX treatments to target your specific skin concerns, whether it's tightening the jawline, reducing under-eye sagging, or improving skin texture. During your consultation, our specialists will assess your skin's needs and develop a personalised treatment plan to ensure optimal results.
- Tighten the jawline and lower face
- Lift loose skin on the neck
- Reduce under-eye sagging
- Soften fine lines and wrinkles
- Improve crepey skin on the abdomen or thighs
- Avoid injections, cuts and surgery
- Safe and effective for all skin types and tones
- One treatment is usually enough to see results
- Follow-up sessions can enhance the outcome
- Results can last 1 to 2 years
- Maintenance treatments preserve the effect
- Combines with Botox, fillers and laser treatments
Results
Before and after.








Why choose Dr Jinah Yoo for Thermage FLX
Four things we insist on.
Our skilled professionals are trained in advanced Thermage FLX technology to deliver effective and safe results.
We design customised treatment plans to address your individual skin concerns, ensuring the best possible outcome.
Thermage FLX offers enhanced technology with faster treatment times and more efficient results compared to older versions.
Thermage FLX treatments are non-invasive, require no downtime, and offer noticeable results with minimal discomfort.
Your consultant
Led by Dr Jinah Yoo.

Dr Jinah Yoo
MBChB FRCP · Consultant Dermatologist · FounderDr Jinah Yoo is a Korean UK-trained consultant dermatologist who is the founder and medical director of Dr Jinah Yoo Dermatology. Dr Yoo has completed intensive dermatology training and developed special interest in cosmetic dermatology, hyperpigmentary disorders and skin lymphoma.
She attended numerous observerships at the World's leading pigment/cosmetic dermatology clinics in USA, Singapore and South Korea and established the first NHS-based hyperpigmentation service at Queen Elizabeth Hospital in 2018.
- GMC-registered consultant dermatologist
- Fellow of the Royal College of Physicians (FRCP)
- Distinction in MSc, University of Manchester
- MSc project work on facial hyperpigmentation
The clinic
45 Albemarle Street, Mayfair.



Frequently asked questions
Thermage FLX FAQs.
Thermage FLX is a non-invasive RF treatment that uses heat energy to stimulate collagen production, helping to create smoother skin while tightening and lifting to reduce signs of ageing.
For most patients, one treatment is sufficient to see noticeable results. However, follow-up sessions may be recommended for those looking to enhance their outcomes further with additional skin tightening treatments.
Yes, Thermage FLX is safe and effective for all skin types and tones. It works by targeting existing collagen within the skin to improve texture and elasticity, and the treatment can be customised to meet individual needs.
Thermage FLX has minimal downtime, allowing patients to return to their normal activities immediately after the procedure. This makes it an ideal option for those looking to improve uneven skin without significant recovery time.
Results from Thermage FLX can last up to 1-2 years, with maintenance treatments recommended to preserve the results and ensure long-term skin tightening effects.
Yes, Thermage FLX can be combined with other treatments such as Botox, dermal fillers, or laser treatments to achieve more comprehensive results.
Thermage FLX uses advanced radiofrequency technology to target sagging skin by stimulating the production of new collagen in the deeper layers. Thermage skin tightening helps lift and tighten the skin, reducing sagging and restoring a more youthful appearance.
Yes, Thermage FLX is a single treatment that offers noticeable improvements in skin firmness and elasticity. By stimulating the collagen-rich layers of the skin, Thermage treatments provide long-lasting results with minimal downtime.
Thermage FLX is a non-invasive treatment that uses radiofrequency technology to heat the deeper layers of the skin while keeping the skin's surface cool with a patented cooling sensation. This ensures patient comfort while effectively tightening and lifting the skin.
Thermage FLX improves ageing skin by targeting the collagen-rich layers to stimulate the production of new collagen. This process firms the skin, smoothens crepey skin, and enhances overall skin texture, providing a natural and youthful appearance.
Thermage FLX is versatile and can be used on multiple treatment areas, including the face, neck, abdomen, and thighs. It's a highly effective solution for non-invasive skin tightening and improving the appearance of fine lines, wrinkles, and sagging skin.
Next step
Book a consultation to discover a tailored skin treatment plan.
Your practitioner will assess your skin and confirm which areas to treat with Thermage FLX, and how to maintain the result.




