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What Has Improved with Ulthera Prime and Thermage FLX at the Dermatology Clinic Near Yeongdeungpo-gu Office Station?

You&I Skin Clinic Yeongdeungpo · 냥닥터의 피부 시술 이야기 · December 14, 2025

Dermatology clinic near Yeongdeungpo-gu Office Station, What has improved with Ulthera Prime and Thermage FLX? ​ ​ ​ "What’s the difference between Ulthera Prime and regular Ulther...

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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: You&I Skin Clinic Yeongdeungpo

Original post date: December 14, 2025

Translated at: April 20, 2026 at 1:46 PM

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

Dermatology clinic near Yeongdeungpo-gu Office Station,

What has improved with Ulthera Prime and Thermage FLX?

What Has Improved with Ulthera Prime and Thermage FLX at the Dermatology Clinic Near Yeongdeungpo-gu Office Station? image 1

What Has Improved with Ulthera Prime and Thermage FLX at the Dermatology Clinic Near Yeongdeungpo-gu Office Station? image 2

"What’s the difference between Ulthera Prime and

regular Ulthera?

The equipment used seems to vary a bit from hospital to hospital.

Which one would be right for me?"

Ulthera and Thermage have already become popular procedures in the lifting field for quite some time.

However, in recent years, unfamiliar names like Ulthera Prime and Thermage FLX have appeared, and many people seem to be confused.

A lot of people say, "If it's the new model, isn't it just better?"

But rather than assuming a new model is simply better, you need to know what practical benefits it can actually offer you.

So today, I’ll explain what has improved in Ulthera Prime and Thermage FLX compared with their previous-generation devices, focusing on changes you can actually feel rather than technical terms or specifications.

Dermatology clinic near Yeongdeungpo-gu Office Station

(Specialty: Dermatology)

  • Ulthera Prime - deeper skin layer observation

  • Thermage FLX - reduced pain

  • Thermage FLX - automatic energy adjustment

Dermatology clinic near Yeongdeungpo-gu Office Station (Specialty: Dermatology) Ulthera Prime - deeper skin layer observation

First, let’s look at Ulthera Prime. The previous model of "Ulthera Prime" is Ulthera.

Ulthera could observe skin layers only up to a depth of 4.5 mm. But Ulthera Prime has been improved so that it can observe up to 8 mm.

What Has Improved with Ulthera Prime and Thermage FLX at the Dermatology Clinic Near Yeongdeungpo-gu Office Station? image 3 Ulthera Prime

In addition, screen noise has been reduced, making the image much clearer.

At this point, you may be wondering how that actually helps you.

First, everyone’s skin thickness is different. In particular, as people get older, or if they naturally have thicker skin, it was often difficult to identify the exact target point with a 4.5 mm depth.

But now that deeper layers can be observed, it has become possible to deliver energy more precisely to the intended area.

As a result, it directly helps reduce the risk of side effects that people receiving Ulthera are most afraid of, such as hollowing in the cheeks.

What Has Improved with Ulthera Prime and Thermage FLX at the Dermatology Clinic Near Yeongdeungpo-gu Office Station? image 4

Also, as an added benefit, the faster touch response and more convenient screen switching are changes that should not be overlooked.

If the practitioner’s fatigue is reduced, it allows for a more focused and stable procedure.

Not wasting time operating the device during the procedure means they can devote themselves entirely to assessing skin condition and adjusting the energy, which ultimately benefits the patient as well.

Dermatology clinic near Yeongdeungpo-gu Office Station (Specialty: Dermatology) Thermage FLX - reduced pain

Now let’s move on to Thermage FLX.

The previous-generation model of "Thermage FLX" is Thermage CPT. It was also commonly just called Thermage.

What Has Improved with Ulthera Prime and Thermage FLX at the Dermatology Clinic Near Yeongdeungpo-gu Office Station? image 5 Thermage FLX

When people talk about Thermage, pain was often discussed almost as much as the results.

However, one point worth noting is that pain has been significantly reduced with Thermage FLX.

What Has Improved with Ulthera Prime and Thermage FLX at the Dermatology Clinic Near Yeongdeungpo-gu Office Station? image 6

Compared with the previous model, Thermage CPT, the addition of a vibrating handpiece and a cooling system has reduced the intensity of pain felt even when delivering the same amount of energy.

According to reviews from people who had Thermage before, many say that receiving it with FLX felt much more comfortable.

Dermatology clinic near Yeongdeungpo-gu Office Station (Specialty: Dermatology) Thermage FLX - automatic energy adjustment

Let’s talk about one more thing regarding Thermage FLX: the AccuREP technology.

What Has Improved with Ulthera Prime and Thermage FLX at the Dermatology Clinic Near Yeongdeungpo-gu Office Station? image 7

It sounds like a difficult term, but put simply, it measures the skin’s resistance value in real time with each shot and adjusts the energy accordingly.

Our cheeks, forehead, and jawline all have different skin thicknesses and fat layers. The cheeks have relatively more fat, the forehead is thinner, and the jawline has yet another set of characteristics.

So instead of applying the same energy uniformly across the face, it checks the condition of each area in real time and delivers the energy most suitable for it.

What Has Improved with Ulthera Prime and Thermage FLX at the Dermatology Clinic Near Yeongdeungpo-gu Office Station? image 8

For example, the forehead is thin, so a lower level of energy may be enough, and applying the same intensity as the cheeks could be too much.

On the other hand, if energy is delivered too weakly to a thicker area such as a double chin, the effect may be reduced.

In the case of Thermage FLX, it automatically detects these factors and adjusts appropriately.

This makes it possible to increase effectiveness while lowering the possibility of unnecessary side effects.

Today, for those looking into a dermatology clinic near Yeongdeungpo-gu Office Station (Specialty: Dermatology), I explained the changes in Ulthera Prime and Thermage FLX in an easy-to-understand way.

It’s not just that the names changed; there are actually improvements that can help you, which is why I introduced them separately like this.

However, thinking that a newer device automatically means better results can be somewhat risky.

While the technical progress of the devices is clear, how that technology is used ultimately depends on accurate skin analysis and experience.

So if you are considering a procedure, I recommend deciding after checking whether the consultation includes a detailed analysis of your skin and whether the treatment plan is explained to you specifically.

Thank you. This was Yeongdeungpo U&I^^

< What are the criteria for choosing a dermatology clinic in Yeongdeungpo? >

< Yeongdeungpo U&I clinic hours >

Weekdays: am 10:00 ~ pm 08:30

Weekends: am 10:00 ~ pm 05:00

(No lunch break)

< Directions >

Yeongdeungpo branch of U&I Clinic is

located near Exit 5 of Yeongdeungpo Station.

What Has Improved with Ulthera Prime and Thermage FLX at the Dermatology Clinic Near Yeongdeungpo-gu Office Station? image 9

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