Thermage FLX at JJ Cosmetic Clinic
JJ Cosmetic Clinic in Glen Iris is proud to offer Thermage FLX — the latest generation of the world’s most clinically studied non-surgical skin tightening technology. Using monopolar radiofrequency (RF) energy, Thermage FLX delivers deep, controlled heating to the dermis and underlying facial tissue, triggering an immediate firming effect and stimulating long-term collagen remodelling. The result is visibly firmer, smoother, more toned facial skin — achieved without surgery, without injectables, and with no downtime.
Treatment Session
Years Results Can Last
Days Downtime
Years of Clinical Research
The Science
Thermage FLX is the latest-generation Thermage device — a significant advancement on its predecessors, with a more powerful RF delivery system and a smarter AccuREP™ technology that adapts energy in real time for consistent, comfortable treatment.
Thermage FLX uses monopolar radiofrequency technology to heat the deep, collagen-rich layers of the skin, while the tip vibrates and cools the surface to help with client comfort. The selective heating of the target tissues causes immediate collagen contraction — resulting in instant tightening — and triggers the body’s wound-healing response, driving new collagen production over the following months. This process also helps preserve the surrounding fat tissue, reducing the risk of unwanted fat atrophy. This dual mechanism — immediate and long-term — is what makes Thermage FLX uniquely effective among non-invasive treatments.
Treatment Areas
At JJ Cosmetic Clinic, we currently offer Thermage FLX as a facial skin firming and tightening treatment. The face tip is calibrated to deliver precise, uniform RF energy across the face and neck — addressing the areas where skin laxity most commonly presents.
One of the most requested areas — Thermage FLX firms the skin along the cheeks and jawline, visibly reducing jowling and restoring a cleaner, more defined contour without surgery or injectables.
Firms and tightens the skin across the forehead, with a focus on brow refinement — helping to restore a more defined, naturally refreshed brow position as the skin above tightens and firms.
A comprehensive treatment that addresses laxity across the entire face in a single session — improving skin firmness, texture, and overall tone from forehead to jawline.
The neck is often the first area to show visible signs of ageing, yet one of the most overlooked. Thermage FLX targets crepey texture and skin laxity here, restoring a smoother, firmer appearance that complements facial results.
The Science
Thermage FLX is ideal for those beginning to notice the signs of facial skin laxity, or for those who want to maintain firmer, more youthful-looking skin without committing to surgery. It is suitable for:
A consultation is recommended to confirm suitability and set realistic expectations based on your skin condition and goals.
Every Thermage FLX treatment at JJ Cosmetic Clinic is tailored to your specific anatomy, skin condition, and goals. Here’s what a typical treatment journey looks like.
We begin with a thorough skin assessment and discussion of your concerns. We'll review your medical history, confirm suitability, and outline realistic expectations for your results. A personalised treatment plan is developed at this stage.
A treatment grid is mapped onto the skin to guide precise, uniform energy delivery. A coupling fluid is applied to help conduct the RF energy and protect the skin surface.
The Thermage FLX handpiece is applied methodically across the treatment area, delivering controlled pulses of monopolar radiofrequency energy. You'll feel a brief sensation of deep warmth with each pulse, followed by rapid cooling.
There is no required downtime after Thermage FLX. You may notice some immediate tightening, with results continuing to develop over the following 2–6 months as collagen remodelling progresses.
Why Thermage FLX
There are several RF and energy-based skin tightening technologies on the market. Thermage FLX stands apart in a number of important ways.
Both use energy to stimulate collagen — but they work differently. HIFU delivers focused ultrasound energy to precise focal points, which can be uncomfortable and involves more downtime. Thermage FLX heats a broader, more consistent area with greater comfort and no downtime, and is considered superior for surface skin tightening and texture improvement. They can also be used in combination for comprehensive results.
Fractional RF devices use micro-needles to deliver RF into the skin, which is effective for texture, scarring, and surface resurfacing — but involves more downtime and discomfort. Thermage FLX is fully non-invasive, with no skin disruption, making it preferable for skin firming and tightening without recovery time. The right choice depends on your primary concern.
A Note from Our Clinic
Thermage has been in clinical use for over 20 years, with more peer-reviewed publications than any other non-invasive skin tightening device. When we invest in a technology at JJ Cosmetic Clinic, we look for exactly that kind of evidence base — and Thermage FLX delivers it.
We chose the FLX generation specifically because of its improved comfort profile and AccuREP™ consistency. Our clients’ experience during treatment matters as much as the outcome after it.
FAQ
The sensation is described as a brief deep warmth or heat pulse, followed immediately by a cooling sensation.
Thermage FLX is designed as a single-session treatment. This is one of its most significant advantages — most patients achieve meaningful results from one treatment, with no course of sessions required. Some require a 2nd treatment in 6 months.
Some clients notice an immediate tightening effect right after treatment as the RF energy causes instant collagen contraction. The most significant and lasting results develop progressively over 2–6 months as new collagen continues to form.
No. Thermage FLX is a non-invasive procedure with no required downtime. Some clients experience mild redness or slight swelling immediately after treatment, which typically resolves within a few hours. You can return to your normal activities, including wearing makeup, on the same day.
Yes. Radiofrequency energy is colour-blind — it works on the basis of tissue heating rather than chromophore targeting, which means it is safe and effective for all Fitzpatrick skin types, including darker skin tones that may not be suitable for certain laser treatments.
Results from a single Thermage FLX treatment typically last between 1 and 2 years, depending on your age, skin condition, lifestyle, and how well you maintain your skin. Annual or biannual maintenance treatments can extend and build on your results over time. A good at-home skincare routine with sun protection will also help preserve results.
Rejuran pairs beautifully with our facial and needling programs for deeper, longer-lasting results.
Polynucleotide Therapy
Supports skin repair and collagen stimulation from within. Pairing Rejuran with Thermage FLX addresses both skin quality and skin laxity for a comprehensive rejuvenation outcome.
Korean Skincare
Our facial program combining Korean cosmeceuticals with LED, LDM, and skin needling technology — an excellent way to maintain and enhance your Thermage FLX results over time.
PRF Therapy
A natural regenerative treatment using your own growth factors to improve skin quality, texture, and collagen density — an excellent complement to Thermage FLX.
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A Thermage® FLX Treatment can help smooth wrinkles and tighten sagging skin without surgery using stimulating waves of energy to remodel your body’s own natural collagen.
