Thermage FLX is a monopolar radiofrequency anti-aging device produced by Solta Medical in the United States (5th generation), focusing on non-invasive tightening + full-layer collagen regeneration + long-lasting anti-aging. It is certified by the FDA, CE, and China's NMPA, and is currently the only radiofrequency device approved for use on the upper eyelids.

Core Technology Upgrades

AccuREP™ Intelligent Energy Calibration: Real-time monitoring of skin impedance, with automatic micro-adjustment of energy for each pulse, ensuring more uniform, safe, and comfortable treatment.
4.0 Smart Tip: Larger treatment area, saving approximately 25% of time; vibration + comfort pulse significantly reduce pain, with most patients not requiring strong topical anesthetics.
Monopolar Radiofrequency (6.78MHz): Heating depth reaches 4.3mm, covering the dermis + superficial SMAS layer for full-layer tightening.

Mechanism of Action (Immediate + Long-term)

Immediate Tightening (Immediately after treatment): Radiofrequency heat heats the dermis to 65–75℃, causing immediate contraction of collagen fibers, resulting in tighter skin and clearer contours.
Collagen Regeneration (2–6 months): Thermal injury initiates repair, activating fibroblasts to continuously synthesize Type I / Type III collagen, making the skin progressively tighter, smoother, and more elastic.
Long-term Maintenance (1–2 years): Increased collagen density stabilizes the results; annual treatments are recommended for maintenance.

Applicable Areas and Benefits

Face

Improves sagging, blurred jawline, nasolabial folds, marionette lines, and downward displacement of the apple cheeks.
Lifts contours, tightens lines, refines skin texture, and shrinks pores.

Eyes (Dedicated 0.25cm² Tip)

Tightens sagging upper eyelids, drooping eye tails, crow's feet, and fine lines under the eyes.
Improves dark circles and tightens/brightens the eye area.

Neck

Fades neck lines, tightens sagging skin, and improves turkey neck.

Suitable Candidates

Aged 25–60, with early signs of aging or mild to moderate skin laxity.
Blurred contours, increased fine lines, and decreased elasticity.
Those who do not want surgery/injections and seek natural, long-lasting anti-aging.
Significant sagging around the eyes, drooping upper eyelids, or prominent crow's feet.

Treatment Process (60–90 minutes)

Pre-treatment: Cleaning + application of topical anesthetic for 30 minutes; grid paper applied for positioning.
Treatment: Approximately 900 pulses for the face, 200–300 pulses for the eyes; energy level 3.5–5.0 (varies by individual).
Post-treatment: Cold compress for 15–20 minutes to soothe redness and burning sensations.

Post-Treatment Care (Crucial! Affects Results)

Within 72 Hours

Cold Compress: 3–4 times daily, 15 minutes each time.
Moisturizing: Medical-grade repair masks + ceramide/hyaluronic acid products.
Avoid High Heat: Saunas, steam rooms, hot baths, intense exercise, and alcohol consumption.

Within 1 Month

Sun Protection: SPF50+, strict sun avoidance to prevent hyperpigmentation.
Skincare: No acids, no alcohol, no retinol; use gentle repair products.
No massage, rubbing, or exfoliation.

Results and Maintenance

Immediate: Feeling of tightness, slight redness (subsides within hours).
1 Month: Reduced fine lines, refined skin texture, gradually clearer contours.
3–6 Months: Peak results, with tightening, lifting, and brightening fully visible.
Maintenance: Lasts 1–2 years; recommended to have a touch-up session every 12–18 months.

Thermage FLX

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