Ultherapy vs Thermage: The Difference Between 2 Popular Skin Rejuvenation Methods 2025
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In 2025, non-invasive skin rejuvenation is becoming a popular trend due to its outstanding effectiveness and high safety. Ultherapy and Thermage FLX are two leading FDA-certified technologies suitable for a wide range of clients, promoting collagen regeneration and skin lifting to achieve youthful, healthy skin without surgery. This article provides a detailed comparison of the differences between these two methods to help you choose the most suitable option for your skin condition.
Detailed Comparison of Ultherapy and Thermage FLX
Below is a detailed comparison table of Ultherapy and Thermage FLX, offering a comprehensive overview of the differences between these two skin rejuvenation methods:
| Criteria | Ultherapy | |
| Mechanism of Action | Uses focused ultrasound waves to target the SMAS layer, lifting skin and stimulating collagen production. | Uses radiofrequency (RF) waves to heat subcutaneous tissues, promoting collagen and elastin production. |
| Depth of Impact | Targets deep skin layers, particularly the SMAS, for powerful lifting and structural rejuvenation. | Targets the hypodermis, improving elasticity and surface firmness. |
| Treatment Effectiveness | Highly effective for lifting and firming skin, ideal for those with noticeable sagging. | Effective for surface firming and wrinkle reduction, suitable for mild aging. |
| Treatment Areas | Treats the face, neck, and chest, particularly effective for sagging areas. | Treats the face, abdomen, and other areas needing improved elasticity. |
| Treatment Duration | Approximately 60–90 minutes, depending on the treatment area. | Approximately 30–60 minutes, shorter duration. |
| Treatment Sensation | Mild to moderate pain, varying by individual and treatment area. | Mild warmth with less pain compared to Ultherapy. |
| Time to See Results | Noticeable improvement after 2–3 months as new collagen forms. | Immediate results, with optimal outcomes after about 6 months. |
| Cost | Typically higher than Thermage due to deeper impact and longer treatment time. | Lower cost, but results may not last as long as Ultherapy. |
| Side Effects | Mild redness or swelling for a few hours post-treatment. | Mild warmth, redness, or swelling typically resolves quickly. |
This comparison table provides a clear overview of the differences between Ultherapy and Thermage FLX. If you need deep lifting and improvement of significant sagging, Ultherapy is the ideal choice. However, if you aim to enhance skin elasticity and reduce surface wrinkles, Thermage FLX is a worthy option.

Should You Choose Ultherapy or Thermage for Skin Lifting and Rejuvenation?
When deciding between the two non-invasive skin lifting technologies, Ultherapy and Thermage FLX, consider factors such as your current skin condition, aesthetic goals, budget, and pain tolerance. Each technology has distinct advantages, catering to different needs:
Based on Aging Signs and Treatment Needs
The choice between Ultherapy and Thermage largely depends on the degree of aging and specific aesthetic needs. For significant sagging, such as drooping facial muscles, particularly around the jaw, cheeks, or eyelids, Ultherapy is optimal due to its ability to lift deeply at the SMAS layer – a target typically addressed in surgical facelifts. Conversely, Thermage is better suited for loose, less firm skin with fine wrinkles around the eyes, forehead, or mouth, thanks to its effective firming and collagen restructuring in the dermis.
Regarding Treatment Budget
Thermage FLX generally has a higher starting cost than Ultherapy, especially for full-face treatments or larger areas like the abdomen or arms. However, this cost aligns with its broad coverage and immediate firming effects. Ultherapy, on the other hand, offers flexible pricing based on specific treatment areas, making it suitable for clients targeting selective lifting or breaking treatments into phases. Your decision should balance personal budget and aesthetic expectations for optimal results.
Considering Treatment Sensation and Downtime
Both methods are non-invasive and require no surgery. However, the treatment experience varies. Thermage FLX is generally more comfortable, with an intelligent cooling system and vibration-based pain reduction, making it ideal for those with low pain tolerance. Ultherapy may cause mild “tingling” sensations during ultrasound delivery, particularly in areas with thinner muscles. Neither method requires downtime, allowing clients to resume normal activities immediately post-treatment.
You can read the article Does Ultherapy Hurt? to learn more about the sensations during this rejuvenation method.
Expert Consultation
Each skin type has unique aging characteristics, so the choice should be personalized through a detailed consultation with a dermatologist or aesthetic specialist. Experienced professionals will assess your skin condition, subcutaneous fat thickness, muscle tone, and elasticity to recommend a tailored plan, potentially combining Thermage and Ultherapy to leverage the strengths of both technologies.

Answers to Common Questions About Ultherapy and Thermage FLX
Below are detailed answers to frequently asked questions about Ultherapy and Thermage FLX:
Which Method Is More Effective for the Eye Area?
The eye area is sensitive and prone to early aging signs like wrinkles, sagging skin, or drooping eyelids. Among advanced technologies, Thermage FLX excels at improving fine wrinkles and firming the skin around the eyelids and under-eye area due to its deep thermal effect on the dermis. In contrast, Ultherapy skin lifting, with its micro-focused ultrasound mechanism, is ideal for drooping eyelids or deep sagging around the eyes, as it stimulates lifting at the SMAS layer – typically targeted in cosmetic surgery. Depending on the specific eye condition, a doctor may recommend one or combine both technologies for optimal rejuvenation.
What’s the Difference Between Thermage FLX and Older Thermage Generations?
Compared to the previous CPT generation, Thermage FLX features comprehensive upgrades, including the Smart Pulse tip for even energy distribution, delivering superior firming results while ensuring optimal safety. Additionally, its Vibrating Pulse technology and integrated cooling system minimize pain, enhancing client comfort throughout the procedure. As a result, Thermage FLX offers faster results, shorter treatment times, and aligns with modern beauty trends: effective, safe, and no downtime.
Which Aesthetic Facility Should You Choose?
Given the significant investment and high technical requirements, selecting the right facility is critical, determining 90% of the rejuvenation outcome. Experts recommend prioritizing facilities authorized by Ultherapy and Thermage manufacturers, with treatments performed by specialized dermatology-aesthetic doctors, ensuring sterile conditions and modern equipment.
In Ho Chi Minh City, WEDO Skin Clinic is among the few clinics meeting these standards comprehensively. With a reputation built on experienced doctors, 100% authentic technology, medical-grade procedures, and thousands of positive client reviews, WEDO is a top choice for Ultherapy and Thermage FLX skin lifting and rejuvenation services in Vietnam.

Clearly, Ultherapy and Thermage FLX are both valuable options for skin rejuvenation and lifting. However, each method suits different individuals and treatment needs. Clients should understand their skin condition and seek expert consultation to select the optimal technology for long-lasting, safe results.
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