Is Shurink the same as Ultherapy?

No, they are different devices from different manufacturers, and Shurink is not a version or a model of Ultherapy. They belong to the same family of treatment, focused ultrasound for lifting, which is why clinics offer them as alternatives. The name you are quoted and the device in the room should match, and it is reasonable to ask to see the handpiece and the cartridge.

Is Shurink FDA approved?

A search of the FDA 510(k) database on 10 September 2026 returned no clearance under the device names Shurink or Ultraformer. The clearances listed for the manufacturer, Classys, are for other devices. Clinic pages describing Shurink as FDA cleared are worth treating with caution. This is also not the question that governs your treatment in Seoul, where MFDS approval is what the device needs.

Which one lasts longer?

Nobody has measured that comparison. Duration figures quoted for either device come from separate studies with different patients, different settings and different outcome measures, which is not the same as a comparison. A clinic that gives you two confident numbers is giving you two marketing claims side by side.

Consumable cartridges, licensing and import costs differ between an imported device and a domestically manufactured one. That difference is real and it is a legitimate reason to choose either. It is not evidence about which works better, and it should not be presented to you as though it were.

The clinic says it will use a different device than the one I booked. What do I do?

Ask three things before you agree: the exact device name, the cartridge depths planned, and how the price changes. A substitution that leaves the price unchanged is a substitution you are paying for. If you booked a named device because of what you read about it, you are entitled to have that named device or to decline.

Comparisons · also called Ulthera, 울쎄라, micro-focused ultrasound

Ultherapy vs Shurink: what the records show, and what no study shows

Two ultrasound lifting devices, one documented difference, and no head-to-head trial. What the regulatory records say before you accept a substitution.

Author: Aesthetics Korea Editorial Team
Medical review: Reviewed by 2 doctorsSee methodology
Published: 10 September 2026
Last updated: 10 September 2026
Last reviewed: —5 min read

Short answer

Both deliver focused ultrasound to heat tissue at set depths, and in a Korean clinic the two names are often offered as substitutes for each other. One documented difference separates them: Ultherapy carries real-time imaging that lets the operator see the layers being treated, and it is the only microfocused ultrasound device with United States clearance for visualisation as well as treatment. What does not exist is a head-to-head trial, so any clinic claim that one outperforms the other is an opinion rather than a finding.

Key facts

What they share: Both are focused ultrasound devices that heat tissue at preset depths to provoke collagen remodelling, rather than removing or filling anything
The documented difference: Ultherapy images the tissue in real time during treatment. A 2025 review of 67 studies calls it the only microfocused ultrasound device with US clearance for visualisation as well as treatment
US regulatory record: Ulthera has held US clearances since a De Novo grant in September 2009, with the current PRIME control unit cleared in 2024 and 2025
What the US database does not list: A search of the FDA 510(k) database on 10 September 2026 returned no clearance under the device names Shurink or Ultraformer; the Classys clearances listed are for other devices
Why that may not matter: A device used in South Korea needs approval from the MFDS, not the FDA. US clearance is a fact about the US market, not a licence to operate in Seoul
What no one has: No published head-to-head trial compares the two devices directly

The question behind the question

Almost nobody arrives at this comparison out of curiosity. They arrive because they booked one thing and were offered another, usually at the consultation, usually with a price attached.

So the useful version of the question is not which is better. It is what am I being asked to accept, and what changes if I accept it.

What the two devices have in common

Both are focused ultrasound. Both put energy at a set depth below the surface, heat a small volume of tissue at that depth, and rely on the body's repair response over the following months to tighten what is there. Neither removes tissue. Neither adds volume. Neither result appears on the day.

That shared mechanism is why a clinic can offer one in place of the other without the conversation sounding absurd. The substitution is not dishonest on its face.

The one difference that is documented

Ultherapy images the tissue while it treats it. The operator sees the layers on a screen and places the energy against what they can see, rather than against an assumption about your anatomy.

A 2025 narrative review in the Journal of Cosmetic Dermatology, which screened 703 records and included 67 studies, describes this as the technology's key differentiator, and states that it "remains the only microfocused ultrasound device with FDA clearance for visualization and treatment".

Whether that changes your result is a separate question, and it is not one the literature settles. What it does mean is that the difference between these two devices is a real technical difference and not only a difference in brand.

What the regulatory records actually show

This is where the clinic pages and the databases stop agreeing.

Ulthera holds United States clearances going back to a De Novo grant in September 2009, and a run of later clearances for the current control unit, including in February 2024 and May 2025.

Searching the same FDA database on 10 September 2026 for the device names Shurink and Ultraformer returned nothing. The clearances listed for Classys, the manufacturer, are for other devices in its range.

Read that carefully, because it is easy to over-read. It does not mean the device is unapproved, unsafe or improperly used. A device used on you in Seoul needs approval from South Korea's Ministry of Food and Drug Safety, and the FDA has no authority over that. What it does mean is that a clinic page describing Shurink as FDA cleared is making a claim the FDA's own database does not support, and that is worth knowing about a page you are using to choose a clinic.

The register that matters for a treatment in Korea is the MFDS one, and it is public.

What nobody has

There is no published head-to-head trial putting these two devices against each other in the same patients under the same protocol.

That absence does more work than most people realise. It means every confident sentence comparing their results, in either direction, is derived from separate studies with different participants, different settings, different follow-up and different outcome measures. Those are not comparable quantities, and lining up two numbers from two studies does not make them one.

A clinic can honestly tell you what each device is designed to do. A clinic cannot honestly tell you which one will do more for your face, because that study does not exist.

What to ask before you accept a substitution

The exact device name, written on the quote. Not "HIFU", not "the lifting machine".
Which cartridge depths are planned, and why those depths for your face. Depth is the decision that shapes the result, more than the badge on the handpiece.
How the price changes. A substitution to a cheaper device at the original price is not a substitution, it is a margin.
Who operates it. Focused ultrasound is operator-dependent in a way that a topical product is not.
Whether you can decline and keep the appointment for the device you actually booked.

The bottom line

The honest comparison is short. One device sees what it is treating and has a longer regulatory paper trail. The other is made in the country you are being treated in, and is cheaper for reasons that have nothing to do with outcomes. No trial has compared them.

If a clinic tells you the difference is settled, the thing you have learned is about the clinic.

Frequently asked questions

Is Shurink the same as Ultherapy?: No, they are different devices from different manufacturers, and Shurink is not a version or a model of Ultherapy. They belong to the same family of treatment, focused ultrasound for lifting, which is why clinics offer them as alternatives. The name you are quoted and the device in the room should match, and it is reasonable to ask to see the handpiece and the cartridge.
Is Shurink FDA approved?: A search of the FDA 510(k) database on 10 September 2026 returned no clearance under the device names Shurink or Ultraformer. The clearances listed for the manufacturer, Classys, are for other devices. Clinic pages describing Shurink as FDA cleared are worth treating with caution. This is also not the question that governs your treatment in Seoul, where MFDS approval is what the device needs.
Which one lasts longer?: Nobody has measured that comparison. Duration figures quoted for either device come from separate studies with different patients, different settings and different outcome measures, which is not the same as a comparison. A clinic that gives you two confident numbers is giving you two marketing claims side by side.
Why is one cheaper?: Consumable cartridges, licensing and import costs differ between an imported device and a domestically manufactured one. That difference is real and it is a legitimate reason to choose either. It is not evidence about which works better, and it should not be presented to you as though it were.
The clinic says it will use a different device than the one I booked. What do I do?: Ask three things before you agree: the exact device name, the cartridge depths planned, and how the price changes. A substitution that leaves the price unchanged is a substitution you are paying for. If you booked a named device because of what you read about it, you are entitled to have that named device or to decline.

Medical evidence

Other2025
Microfocused Ultrasound With Visualization in Skin Quality: A Narrative Review
Structured narrative review; 703 records screened, 67 studies included. "A key differentiator of MFU-V is its real-time ultrasound imaging, which allows clinicians to visualize skin layers during treatment." The review states MFU-V "remains the only microfocused ultrasound device with FDA clearance for visualization and treatment". Firmness improvements were reported across 52 studies with effects sustained beyond six months.
Regulatory document2026
FDA 510(k) and De Novo records for the Ulthera System
Ulthera, Inc. holds a De Novo grant from 11 September 2009 (DEN080006) and a series of later 510(k) clearances for the Ulthera System, including the PRIME control unit in February 2024 (K233996) and May 2025 (K250418). Searches on 10 September 2026 for the device names Shurink and Ultraformer returned no records, and the clearances listed for Classys, Inc. are for other devices.

Sources

Listed in the order they are used. Source class follows the methodology.

1.Microfocused Ultrasound With Visualization in Skin Quality: A Narrative Review, Journal of Cosmetic DermatologyPeer-reviewed researchaccessed 2026-09-10Pavicic T et al., 2025. Source for the visualisation difference and the evidence base behind microfocused ultrasound.
2.FDA 510(k) Premarket Notification database, US Food and Drug AdministrationGovernment / public bodyaccessed 2026-09-10Searched by applicant (Ulthera, Classys) and by device name (Shurink, Ultraformer) on 10 September 2026.
3.Medical device licence search, MFDS electronic civil complaint portal, Ministry of Food and Drug SafetyGovernment / public bodyaccessed 2026-09-10The Korean register. This is the approval that governs a device used in a Korean clinic.
4.CLASSYS company site, Classys Inc.Manufactureraccessed 2026-09-10Manufacturer of Shurink. Company address and product listings.

Treatments

Concerns it addresses

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