Comparing depth, duration, and pain of both HIFU devices, backed by clinical evidence.
Published -
Updated -
Author
Wi Young-jin · Chief director
Seoul National University College of Medicine · Seoul National University Hospital Specialist
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When you go in for a lifting consultation, Shurink and Ulthera are almost always suggested together. Since they are priced similarly and are often introduced with the brief explanation that "both are HIFU," it can be quite tricky to decide which one is the perfect fit for your skin.
To put it simply, while both belong to the same HIFU family, they have subtle differences in their energy delivery systems, real-time imaging capabilities, and individual pain levels. This means the ideal candidate for each is also slightly different. From a medical standpoint, it is not quite accurate to say one is unconditionally superior to the other.
This article is an informative guide prepared based on the treatments offered at Beautystone Clinic.
Both are HIFU treatments targeting the SMAS layer*, but their energy delivery systems differ
HIFU works by focusing ultrasound energy deep into the skin to generate heat at a precise point, causing collagen contraction and regeneration in the SMAS layer*: The muscle fascia covering the facial muscles, which is the starting point of facial sagging.
Ulthera (Ultherapy) is a device developed by Merz Aesthetics. It features a real-time imaging screen of the skin's cross-section, allowing the doctor to visually confirm the exact depth of the SMAS layer before delivering each shot (MFU-V, Micro-Focused Ultrasound with Visualization). On the other hand, Shurink is a widely loved Korean HIFU device that uses various cartridges designed for different depths without real-time imaging. Both treatments share the same core principle of preserving the epidermis while delivering heat deep into the dermis and SMAS layer.
The timeline for results and collagen regeneration patterns are very similar
In clinical reviews of MFU (Ulthera-type treatments), approximately 92% of patients showed improvement in skin elasticity and wrinkles at the 90-day mark, with results maintained for up to 12 months. Since Shurink works on the same HIFU principle, the basic cycle of collagen contraction, regeneration, and long-term retention is very similar.
The key variable that determines your results is not the brand name of the device, but the choice of cartridge (depth), the total number of shots, and the practitioner's expertise. Even with Ulthera, results can vary depending on the doctor; with Shurink, the outcome is determined by which depth and how many shots are target-focused.
There are slight differences in pain level and downtime
Category | Ulthera | Shurink |
|---|---|---|
Imaging (Real-time Skin Visualization) | Yes | No |
Target Depths | 1.5 / 3.0 / 4.5mm | 1.5 / 3.0 / 4.5mm |
Recommended Sessions | 1 session (every 12 months) | 1-2 sessions (every 6-12 months) |
Pain Level | Moderate to High (Numbing recommended) | Mild to Moderate |
Downtime | Immediate to 1 day | Immediate |
Result Duration | Around 12 months | 6 to 12 months |
Clinical reviews of similar HIFU procedures report an average pain level of about 3.8 on a scale of 0 to 10, noting that sensitive areas like the eye area and under the chin can experience higher discomfort. Applying a numbing cream or prescribing pain relief beforehand is common practice, and temporary redness or mild swelling can be expected in almost all cases.
Which one is the best match for you?
Ulthera might be the ideal choice if you:
Have variation in skin thickness or SMAS location (and want to target precise depths with real-time imaging)
Want a single, highly effective treatment that lasts up to a year
Are comfortable with managing pain with proper numbing methods
Shurink might be the ideal choice if you:
Are trying a HIFU treatment for the very first time (and want a gentle start with adjustable intensity and less pain)
Prefer a lighter, easier routine every 6 to 12 months
Want to minimize numbing time and return to your daily routine immediately
As mentioned earlier, because they both utilize HIFU technology, the overall benefits are quite similar. Your best choice ultimately depends on your personal priorities regarding real-time imaging, pain tolerance, and how often you'd like to receive treatments.
We recommend exploring other options if any of the following apply:
You are currently pregnant or breastfeeding
You have active inflammation, acne breakouts, or cold sores in the treatment area
You have a history of keloid scarring
You received other laser or dermal filler treatments within the past week
You have a BMI of 30 or higher, with thicker skin and subcutaneous fat layers
The last point is related to the depth limits of HIFU. Clinical studies show that for individuals with a high BMI or severe tissue sagging, the results of HIFU alone may be limited. In these cases, combining it with other treatments like RF (Radiofrequency) lifting or thread lifts is often a more realistic and satisfying approach.
Frequently Asked Questions
Q. Do the results last forever?
A. No cosmetic treatment lasts forever. The new collagen rebuilt by HIFU will gradually be absorbed over about 12 months as part of the natural aging process. Many clients choose to have a maintenance treatment every 12 months, though the intervals can be adjusted depending on your age and skin condition.
Q. Can I get both treatments?
A. We do not recommend receiving two different HIFU treatments at the exact same time. However, many clients enjoy try one treatment, and then experiencing the other for their next session 12 months later. Alternatively, combining synergistic treatments of different modalities—such as HIFU paired with RF—is a very popular approach.
Q. How long does the swelling last after the procedure?
A. Mild redness and light swelling are very common immediately after the procedure and typically subside within 1 to 2 days. For some, swelling under the chin or around the eyes may last slightly longer, so we suggest planning your session 3 to 5 days before any major events.
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