Ultherapy vs Thermage FLX
Ultherapy vs Thermage FLX
Ultherapy vs Thermage FLX is one of the most common comparisons in non-surgical skin tightening treatments. Both are widely used for lifting sagging skin, improving jawline definition, and stimulating collagen production, but they work through completely different energy systems and target different layers of the skin. Ultherapy uses focused ultrasound energy to lift deeper structural layers, while Thermage FLX uses radiofrequency energy to tighten and smooth the skin surface and dermis.
What is Ultherapy?
Ultherapy
- Uses micro-focused ultrasound energy (HIFU technology)
- Targets deep structural layers including SMAS layer
- Designed to lift and reposition sagging tissue
- Commonly used for jawline, cheeks, and brow lifting
Key Effects
- Deep lifting effect
- Improved facial contour definition
- Gradual tightening over time
- Non-surgical facelift-like improvement
What is Thermage FLX?
Thermage FLX
- Uses monopolar radiofrequency (RF) energy
- Heats dermal layers to stimulate collagen remodeling
- Focuses on skin tightening and smoothing
- Works on both face and body areas
Key Effects
- Skin tightening and firming
- Improved skin texture and smoothness
- Reduction in fine lines
- More even skin surface appearance
Treatment Mechanism Difference
Ultherapy
- Delivers focused ultrasound energy to deep tissue layers
- Creates thermal points that trigger collagen contraction
- Works from deep structural layer upward
- Primary effect is lifting and repositioning
Thermage FLX
- Delivers RF energy across broader dermal areas
- Stimulates collagen production through controlled heating
- Works mainly in mid-to-superficial dermis
- Primary effect is tightening and smoothing
Results Timeline
Ultherapy
- Initial tightening: 1–2 months
- Full lifting effect: 2–3 months
- Duration: up to 12–18 months
Thermage FLX
- Initial tightening: 2–4 weeks
- Continued improvement: 2–3 months
- Duration: up to 6–12 months
Ideal Candidates
Ultherapy is best for:
- Sagging jawline and cheeks
- Mild to moderate skin laxity
- Deep structural lifting needs
- Patients avoiding surgery
Thermage FLX is best for:
- Fine lines and skin laxity
- Uneven skin texture
- Early aging signs
- Overall skin tightening and smoothing
Key Differences Between Ultherapy and Thermage FLX
Ultherapy
- Focus: Deep lifting and structural repositioning
- Energy type: Ultrasound (HIFU)
- Main effect: Lifting facial contours
- Best for: Sagging skin and definition
Thermage FLX
- Focus: Skin tightening and texture improvement
- Energy type: Radiofrequency (RF)
- Main effect: Firmness and smoothness
- Best for: Fine lines and overall tightening
Price Comparison
Ultherapy
- ₩800,000 – ₩2,500,000 per session
- Full face + jawline: up to ₩3,000,000+
Thermage FLX
- ₩1,200,000 – ₩3,500,000 per session
- Full face treatment: up to ₩4,000,000+
Which One Is Better?
Choose Ultherapy if you want:
- Strong lifting effect
- Jawline and cheek contour improvement
- Deep structural tightening
- Long-lasting lift results
Choose Thermage FLX if you want:
- Skin tightening and smoothing
- Fine line reduction
- Improved skin texture
- More even and firm skin surface
Final Thoughts
Ultherapy and Thermage FLX are both effective non-surgical lifting treatments, but they target different layers and concerns. Ultherapy focuses on deep structural lifting using ultrasound energy, while Thermage FLX focuses on dermal tightening and surface refinement using radiofrequency energy. The best choice depends on whether your priority is facial lifting and contouring or overall skin tightening and smoothness.







