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Wells Dermatology Ultherapy Lifting: 300 or 600 Lines—What Is the Right Number for Me?

WELLS Dermatology CLINIC / WELLS美容皮膚科 · 웰스피부과 본원 블로그 · July 1, 2026

Wells Dermatology Ultherapy Lifting: 300 or 600 Lines—What Is the Right Number for Me? ​ ​ Hello. I am Choi Won-woo, a board-certified dermatologist with 23 years of experience. ​...

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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: WELLS Dermatology CLINIC / WELLS美容皮膚科

Original post date: July 1, 2026

Translated at: August 17, 2026 at 2:42 PM

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

Wells Dermatology Ultherapy Lifting: 300 or 600 Lines—What Is the Right Number for Me? image 1

Hello.

I am Choi Won-woo, a board-certified dermatologist with 23 years of experience.

Many people consider lifting treatments because of the rapid loss of skin elasticity and the increasingly undefined jawline that come with age. Among them, Ultherapy, which is widely recognized for its effectiveness, continues to be a popular treatment year after year.

Once you decide to undergo the treatment, another concern often begins.

"Is 300 lines or 600 lines right for my face?"

"What if, after paying a lot of money for the treatment, I develop cheek hollowing as a side effect and my face ends up looking gaunt?"

These worries are common. The more reviews you see online, the more difficult it may become to establish a clear standard.

Today, from the perspective of a dermatologist with extensive clinical experience in anti-aging treatments, I will honestly explain how to determine the appropriate number of lines for your skin and how to make the right choice without disappointment.

Contents

  1. The secret of “real-time ultrasound” for avoiding Ultherapy side effects

  2. How to determine the “appropriate number of lines” for your skin and check for genuine tips

  3. An honest guide to pain levels and anesthesia

  4. The importance of choosing an experienced board-certified dermatologist

  5. Conclusion

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The secret of “real-time ultrasound” for avoiding Ultherapy side effects

The biggest concern that makes people hesitate over Ultherapy is undoubtedly the possibility of cheek hollowing, sometimes described as a skeletal appearance. People worry that, while trying to achieve a lifting effect, they may instead lose facial volume and look older. The fundamental reason this side effect occurs is that strong energy was applied uniformly without considering the thickness and structure of the skin.

Facial skin varies considerably in thickness depending on the area. Some areas, such as the cheeks and around the cheekbones, have a thin fat layer, while others, such as the double chin and jowls, are thicker. The key feature that differentiates Ultherapy from other lifting devices is its real-time ultrasound monitoring technology. It allows the practitioner to directly view the patient’s skin layers on a monitor in real time and deliver energy accurately to the target layer, the SMAS layer.

Therefore, avoiding cheek hollowing requires more than simply knowing how to operate the device; it requires the ability to accurately interpret the skin structure shown on the ultrasound screen. The medical team at Wells Dermatology, with more than 20 years of extensive clinical experience, precisely analyzes each person’s skin thickness and carries out a customized design that clearly distinguishes areas where energy should be delivered from areas that should be avoided. This helps reduce concerns about side effects and allows you to undergo treatment safely.

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How to determine the “appropriate number of lines” for your skin and check for genuine tips

One of the questions consumers ask most often is, “Which is better, 300 lines or 600 lines?” To begin with, more lines do not necessarily mean a better result.

Typically, 300 lines may be suitable for people in their late 20s or early 30s who are in the initial stages of aging, or for those who want to focus on improving elasticity in specific areas such as the jowls, double chin, or eye area rather than addressing overall sagging.

By contrast, 600 lines may be recommended for people over 35 whose overall facial contours have begun to sag, with noticeable cheek sagging and deeper nasolabial folds—in other words, when the entire face needs to be lifted strongly in a vertical direction.

The number of lines should be adjusted flexibly according not only to age but also to the degree of skin laxity and the amount of facial fat. The first step is to receive a diagnosis for the appropriate number of lines your face actually needs, without excessive treatment.

Along with this, it is essential to check whether genuine tips are being used. Ultherapy is performed using disposable tips, but some clinics may use illegally refurbished tips to reduce costs, so caution is necessary. Refurbished tips may have inconsistent energy output, which can result in burns or no lifting effect at all.

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An honest guide to pain levels and anesthesia

The final hurdle that prevents many people from taking the plunge, despite knowing about Ultherapy’s impressive effects, is pain.

"It hurts so much that it brings tears to your eyes."

"You absolutely cannot do it without sedation."

Many people become frightened because of reviews like these.

Ultherapy pain occurs during the process of concentrating and delivering high thermal energy of approximately 60–70°C to the deep SMAS, or fascial, layer rather than to the skin’s surface. A tingling sensation or deep, heavy pain around the bones is a natural sensation during the procedure.

However, choosing deep sedation simply because you are afraid of pain is not necessarily the only answer. During sedation, the patient cannot provide feedback about pain, which can make it more difficult to respond to possible burns or excessive energy delivery.

At Wells Dermatology, we operate a systematic and detailed pain-control system for patients who are concerned about discomfort. We carefully adjust the duration of topical anesthesia according to each patient’s pain sensitivity and finely adjust the energy in real time during the procedure, helping patients undergo treatment comfortably without sedation.

If you are very concerned about pain, we recommend discussing it thoroughly with your medical team before the procedure so that an anesthesia plan suited to your comfort level can be designed.

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The importance of choosing an experienced board-certified dermatologist

Ultherapy is an excellent anti-aging device whose effectiveness and safety have been verified worldwide. However, just as the result can vary greatly depending on the skill of the swordsman wielding even a fine sword, results can vary greatly depending on the practitioner’s experience.

In other words, Ultherapy is not a treatment that the machine performs on its own. It is a representative example of “handmade” lifting, in which success depends on the doctor’s diagnostic abilities and the sensitivity of their hands.

The insight needed to accurately understand each person’s unique facial anatomy, anticipate the direction in which aging is progressing, and design the energy delivery accordingly cannot be developed in a short time.

The medical team at Wells Dermatology has cared for the skin of countless patients for more than 20 years at its location in Apgujeong. Based on tens of thousands of accumulated clinical cases, the team seeks the safest and most natural-looking improvement in elasticity.

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Conclusion

Because this is a treatment performed on your precious face, carefully compare the medical team’s experience and expertise. When accurate diagnosis suited to your skin condition is supported by honest treatment, you can maintain healthy, natural-looking beauty for a long time.

If you have any further questions or need a detailed skin assessment, please feel free to contact us at any time.

Thank you.

[Recommended related reading]

Ultherapy + Fitting Lifting stimulate different layers. <Ultherapy Prime Fit>

Inside Wells|The Gangnam Station Dermatology Care Team Shares Tips for Managing Ultherapy Pain and Swelling

Is 100 lines of Ultherapy enough to see an effect? #Ultherapy #UltherapyLines

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