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Hongdae Thermage: Lifting, Now

차이의원 · 아름다움의 차이, 차이의원입니다. · April 4, 2025

​ Those looking into Thermage in Hongdae may already know this, but Thermage is a high-priced device among lifting equipment, and it is also known for providing a high level of sat...

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This page is an English translation of a Korean Naver Blog archive entry. For exact wording and source context, verify against the Korean archive original and the original Naver post.

Clinic: 차이의원

Original post date: April 4, 2025

Translated at: August 17, 2026 at 6:46 PM

Medical note: This translation does not guarantee medical accuracy or suitability for treatment decisions.

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Those looking into Thermage in Hongdae may already know this, but Thermage is a high-priced device among lifting equipment, and it is also known for providing a high level of satisfaction.

It is probably the first lifting device that comes to mind for many people when they look into “radiofrequency lifting” procedures.

That is how Thermage has provided a great deal of satisfaction to many people over a long period of time.

In addition, when it is performed together with Ultherapy, the level of satisfaction is even higher, to the point that anyone wanting to properly care for their skin is familiar with the combination known as “Ulthermage.”

However, I believe the era of this “radiofrequency lifting” may now be moving beyond Thermage.

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Yes, its name is Serf.

I will compare and analyze the advantages of Serf and Thermage and explain why you should look into Serf rather than Thermage.

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Hello, I am Director Jo Won-jin of 차이의원.

Having performed cosmetic dermatology procedures in Hongdae for nine years, I believe I can explain better than anyone how much satisfaction Thermage has provided in improving many people’s skin.

Thermage has held a unique position as a premium name in radiofrequency lifting for a long time.

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However, after Thermage’s patent expired, various products began to appear. Among them, the radiofrequency lifting device with a very high level of refinement—and one that has gone beyond Thermage lifting—is Serf.

The reason is that Serf was developed to address many of Thermage’s limitations. I will now compare the two and explain which limitations were addressed.

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Thermage vs. Serf: First

The first is pain. Those who have searched for Thermage in Hongdae and looked into various lifting devices probably already know how lifting procedures can help improve the condition of the skin.

However, as anyone who has undergone lifting knows, Thermage can be fairly painful. Of course, because an anesthesia process is involved, the pain is tolerable enough, but it would still be difficult to say that there is no pain at all.

Serf, on the other hand, manages pain very effectively with its differentiated cooling system. A cooling pulse is delivered each time a shot enters the skin tissue.

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“Serf is also radiofrequency lifting, so wouldn’t it hurt?”

Yes, people who are sensitive to pain may ask this. However, Serf does not require a separate anesthesia process. That is how effectively it controls pain.

If you are looking into Thermage in Hongdae and consider yourself sensitive to pain, it may also be worth looking into Serf.

Thermage vs. Serf: Second

The second is customized design for each individual. What is the longstanding issue with radiofrequency lifting devices?

It is that, unlike ultrasound devices, they have limitations in delivering energy deep into the skin.

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That is why it can be difficult to readily recommend this type of procedure to people with thicker skin.

However, Serf was developed to overcome this limitation. Serf uses two wavelengths, 6.78 MHz and 2 MHz, and can be performed in three modes: Shallow, Middle, and Deep. In particular, treatment in Deep mode allows energy to penetrate much deeper.

There are also four types of tips. They are designed to cover everything from broad areas to areas with thin skin, such as around the eyes.

Therefore, whether you are concerned about having thick or thin skin, you can receive an appropriate level of lifting by changing the mode and tip.

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Thermage vs. Serf: Third

The third is treatment time. Among those looking into Ultherapy in Hongdae, some may want a lifting procedure but wonder whether they need to take time off because they are too busy.

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When you include the visit to the dermatology clinic, anesthesia, and treatment time, the entire in-and-out process generally takes about two hours, so it is often necessary to set aside separate time.

The same applies to Thermage. Since it includes a 40–50-minute anesthesia process, it is difficult to say that the overall treatment time is short.

With Serf, however, the entire in-and-out process takes one hour. It does not require an anesthesia process, and there is generally little downtime, such as bruising or swelling, so it does not significantly interfere with daily life.

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“Then doesn’t it provide less satisfaction than Thermage? Doesn’t there need to be some pain or swelling for the lifting to have been effective?”

Yes, because previously available devices tended to have those characteristics, some people may ask this question.

However, as mentioned earlier, Serf can deliver energy deep into the skin despite being a radiofrequency lifting device. In addition, among its four tips, the EFFECTOR 60 has an area 1.5 times larger than the Thermage Total Tip.

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A larger area means that more energy can be delivered. To give you a brief comparison, 600 shots with the Serf EFFECTOR 60 tip can provide a level of satisfaction equivalent to 840 shots with the Thermage Total Tip.

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This is why I recommend Serf to those looking into Thermage in Hongdae.

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Yes, today I introduced both Thermage and Serf.

Those looking into Thermage in Hongdae may find the additional option makes their decision more difficult, but what is more important than what I have discussed today is a detailed skin analysis and a consultation process suited to the results.

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Please decide on the procedure you will undergo through a sufficient consultation.

I will conclude by hoping that this provides the information needed by those looking into Thermage in Hongdae.

This has been 차이의원, customizing your beauty. Thank you.

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