If you, like me, are a “gear enthusiast” who pays close attention to the brands, models, and generations of medical beauty equipment, then you’re bound to fall in love with BT SKIN in Jeju Island.
Last month, I flew all the way to Jeju Island just because internet users said this clinic had “an incredibly comprehensive range of equipment.” Once I got there, I truly believed it—there were ONDA microwave Lifting devices, the Ulthrea Prime version of the Ulthrea HIFU system, as well as other advanced treatments. From anti-aging procedures to skin care services, its array of instruments is on par with those found in top clinics in Gangnam, Seoul, yet the prices are much more affordable.
This in-depth review covers everything you need to know about Beauty Dermatology’s equipment lineup, the actual experience using each machine, price ranges, and who would benefit from these treatments versus those who shouldn’t. Equipment enthusiasts, be sure to save this article!
Full disclosure of Dermatology’s Beauty treatment equipment lineup: from entry-level to top-of-the-line, devices covering all price ranges
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To be honest, I’ve visited several Dermatology clinics in Seoul and Busan, but the sheer number of advanced devices at Beauty Dermatology really surprised me. This three-story clinic is equipped with over 30 medical-grade devices that utilize four different energy sources—ultrasound, radiofrequency, microwaves, and lasers—to treat issues from the epidermis all the way down to the fascia layer.
The key point is that all the equipment is genuine original product—no second-hand or counterfeit units at all. This is a basic requirement for anyone who cares about high-quality medical devices, but given the mixed quality of the medical aesthetics market in South Korea, there are very few clinics that can meet this standard.

Here is a list of the key equipment at Beauty Dermatology — I’ve verified the model and purpose of each one:
- ONDA Microwave Lifting: Utilizing 2.45GHz microwave energy specifically targeted at the fat layer and superficial fascia to address blurred jawlines and Double Chin, with no need for anesthesia or recovery time.
- Ulthera Prime – 2nd-generation HIFU: Genuine U.S.-made version with DeepSEE real-time visualization technology, enabling precise layer-by-layer heating of the SMAS fascia at 1.5mm–4.5mm depths
- Thermage FLX 5th Generation: Monopolar radiofrequency technology with AccuREP smart energy optimization – 600 pulses for facial tightening, 900 pulses for full face and neck treatment
- Skin Booster: A advanced hydro-glow delivery system that delivers deep hydration and promotes skin regeneration. No downtime required—perfect for quick skincare on the go during travel.
- XERF Dual-Frequency RF: 1MHz + 2MHz frequencies that target both the dermal layer and fat layer simultaneously
- Titanium Lifting: A non-invasive RF treatment that requires no anesthesia, delivering immediate tightening with just 60-80 kj of energy.
- V-RO ADVANCE:Dual-mode thermal therapy combining HIFU and RF — the Korean-style HIFU + RF integrated device
- Pico laser + Fraxel Dual + Potenza: Comprehensive solution for pigmentation, acne scars, and Pores issues
- VISIA 7th Generation Skin Analyzer: Quantitative assessment of 8 key indicators, AI-powered diagnosis
First-hand experience at Beauty Dermatology: Three floors, each with its own specialized functions, all details thought through
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That day, as I walked over from the Old Hengwu intersection, I could see the sign of Beauty Dermatology from a distance. Taking the elevator up to the second floor, the hospital lobby came into view as soon as the doors opened—a gentle fragrance filled the air. With its overall white-themed design, it was sleek yet not cold, giving off an atmosphere similar to that of a high-end SPA.
The waiting area features three rows of black sofa chairs, all facing the counter. Above them is a large screen that displays promotional videos about various procedures and treatments—this is a real plus, as it allows guests to learn more while waiting. Right across from the counter lies a full wall dedicated to displaying skincare products from various brands, which can be taken home right after the treatment.

The third floor is the laser treatment area. It’s a bit smaller than the second floor, but it’s packed with people. Turn left once you go in, and there’s another waiting area. The crowd density is serious—plus, a significant portion of the visitors are locals from South Korea. What does that mean? It means this isn’t a shop geared specifically toward foreign tourists.
You might occasionally see Japanese clients here, as I heard the clinic director speaks a bit of Japanese. Each treatment is conducted in a private consultation room, ensuring full privacy. On the fifth floor lies the skin care area, offering non-invasive services such as basic skincare treatments and hyaluronic acid injections.
Personal Experience with Onda Microwave Lifting from Beauty Dermatology: An Invisible Lifting Effect Delivered Directly to the Fat Layer
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If you, like me, have struggled with your jawline appearing either defined or not so clear, ONDA microwave Lifting could be your saving grace. The device works by using 2.45GHz microwave energy that penetrates the skin’s surface to target the fat layer directly, generating heat of around 55–60°C to stimulate the reorganization of Collagen.

It felt amazing during the procedure — there’s a cooling system on the skin’s surface that keeps it from getting hot, but deeper down, you feel a distinct warmth, as if someone is “heating” your face from within. The whole process takes about 30 minutes (70 kj), and no anesthesia is needed at all. When I looked in the mirror right after, my jawline was truly… back in place.
What really impressed me about ONDA is the absence of a recovery period. You can go shopping or eat pork right after the treatment—no redness or swelling, and you can wear makeup as soon as that night. The results become most noticeable after 2–4 weeks, making it an excellent choice for those urgent situations where you need to take photos tomorrow but only remember it today.
Price reference: ONDA 70kj costs ₩880,000 (approximately NT$19,800), while 90kj is priced at ₩1.1 million (around NT$24,750). If combined with Thermage, an additional ₩590,000 will allow you to add ONDA 60kj as well—this package deal is actually Dermatology BARUNGYN’s secret tip for saving money.
Experience Ulthera Prime from Beauty Dermatology: The U.S. version of the second generation with real-time DeepSEE visualization
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This is the device I’ve been most looking forward to seeing on this trip. The Ulthera Prime is the second-generation HIFU system produced directly in the United States. Its biggest upgrade is the DeepSEE real-time visualization technology — allowing doctors to see ultrasound images instantly during treatment, enabling precise targeting of the fascial layer without any need for “guesswork.”

Compared to the first generation of HIFU devices, Ulthera Prime does indeed reduce discomfort significantly. I had a treatment involving 300 shots across the entire face and jawline, with scanning done in four different depths ranging from 1.5mm to 4.5mm. There was still some tingling sensation in areas where the bones are more prominent, such as the Forehead and cheekbones (which is normal since the ultrasound waves affect the periosteum), but overall the discomfort remained within an acceptable level.
On the day after the procedure, my face felt slightly tight, almost as if I had a super-strong mask on it. The lifting effect started to appear on the 3rd day, reaching its peak by the 4th week—friends said I looked like my face had gotten smaller, but in reality it was just the facial contours that were lifted.
Price reference: Starting from 300 sessions at ₩990,000 (with a designated specialist, it’s ₩1,290,000); 450 sessions at ₩1,480,000; and 600 sessions at ₩2,490,000. Considering it’s an American-made original product, these prices are quite competitive on Jeju Island.
Beauty Dermatology’s Natural Skin Booster: A no-recovery-care treatment you can use while on vacation
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Skin Booster is the star treatment at the Skin Management area on the 5th floor of Beauty Dermatology. Unlike traditional hyaluronic acid injections, Skin Booster uses an intelligent microneedle delivery system to inject Filler, amino acids, and antioxidant ingredients into the skin in layers, aiming to achieve the effect of allowing you to go out looking natural right after the treatment.

The procedure takes about 40 minutes—first, a numbing agent is applied for 20 minutes, followed by micro-needling across the entire face. The discomfort is minimal (much less than that from roller micro-needling). The skin may turn slightly red after the treatment, but this fades within about 2 hours. I went out for barbecue that same night with no discomfort at all.
In terms of results: By the 3rd day after the procedure, the skin’s glow becomes significantly enhanced, makeup applies much more smoothly, and the Pores appear smaller. These effects last around 3–4 weeks. It’s ideal to have this treatment done a few days before traveling, so you can enjoy a natural radiant look throughout your trip.
For travelers looking to quickly “recharge” their energy on Jeju Island, the beginner package that includes a no-makeup treatment plus basic cleansing care (starting at ₩120,000) offers excellent value for money. It’s recommended to book a consultation directly, as the price may vary depending on the brand of serum used in the treatment.
What other hidden gems are available at Beauty Dermatology? Top picks for equipment enthusiasts
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In addition to the three flagship devices—ONDA, HIFU, and Su Yan Cui—Beauty Dermatology also has several other machines that I think deserve special mention:
- Thermage FLX: The ultimate combo with ONDA — first use ONDA for fat reduction and lifting, followed by Thermage to tighten the skin. The results aren’t just 1+1=2; they’re 1+1=5. If budget allows, be sure to try this combination.
- XERF dual-frequency radiofrequency: 1MHz + 2MHz output through two channels simultaneously, targeting both the superficial dermis and deep fat layers. It’s especially effective for those with skin laxity combined with fat accumulation.
- Pico laser + Fraxel Dual: If you’re dealing with not only skin laxity but also acne scars and pigmentation issues, these two lasers can be combined with lifting treatments in the same session (but be sure to consult a doctor first to check your skin’s tolerance).
A special detail worth mentioning: At Beauty Dermatology, the consultation process isn’t just “sit down → take a quick look → recommend the most expensive option.” Instead, they first use VISIA 7th generation to conduct a comprehensive skin analysis, generating a “Skin Health Report” with 8 key indicators, after which personalized treatment plans are suggested based on these data. Dr. Lee Ki-wook explains everything very clearly during the consultation—why Option A is recommended over Option B, what the differences in energy depth are between different devices, and what level of skin thickness and sagging is suitable for you.
This “diagnose first, then prescribe” approach is worlds apart from clinics that immediately tell you, “You need Thermage,” as soon as you walk in.
Complete Price Guide to Beauty Dermatology: Money-Saving Tips for Equipment Enthusiasts
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Here’s the latest price list for BT SKIN’s Dermatology services in 2026, listed in South Korean won, along with a rough conversion to New Taiwan dollars (₩10,000 ≈ NT$225):
The prices listed below are reference figures for 2026. Actual costs may vary depending on individual skin conditions, the chosen treatment plan, and the doctor’s assessment. It is recommended to check the latest quotes through booking platforms before making your appointment. The exchange rate used is approximately ₩10,000 = NT$225.
🪄 Anti-aging lifting treatments
🫧 Skin Care / Injection Treatments
⚠️ The prices listed above are reference figures for 2026; the actual cost will be based on the clinic’s current quote. For some injection treatments, due to significant variations in brands and dosages, it’s recommended to schedule a consultation to obtain a personalized quote.
Below is a comparison table to help you quickly determine whether Dermatology for Beauty is right for your needs:
The comparison above can serve as a preliminary screening reference, but whether it’s suitable ultimately still needs to be confirmed through a face-to-face consultation with a doctor.
Post-procedure tips for Beauty Dermatology: How to enjoy your time on Jeju Island after cosmetic treatments
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After undergoing lifting procedures, Dermatology will provide a post-operative care kit (including a repair mask + sunscreen + detailed maintenance guide). The following points are particularly important:
- Avoid high-temperature environments on that day: Within 24 hours after undergoing HIFU or Thermage treatment, avoid soaking in hot springs, using saunas, or eating extremely spicy foods (hold off on Jeju Island’s spicy grilled hairtail for now).
- Strict sun protection: Jeju Island has stronger UV radiation than Seoul. It’s essential to use SPF50+ PA++++ sunscreen for a week after the procedure, along with a hat and sunglasses.
- Replenish fluids generously: CU convenience stores carry pumpkin juice, and drinking it after surgery helps reduce swelling significantly—have at least 2 bottles a day.
- Avoid alcohol: Stay away from drinking for 3 days after the procedure; you can resume consuming spirits like Hallabong soju from Jeju Island once you’ve recovered.
- It’s recommended to schedule the cosmetic procedure on the second-to-last day of your trip. This way, you’ll have a full day to recover afterward, and it also helps avoid the awkward situation of having red and swollen skin during airport security checks.
If you want to go shopping right after the treatment on the same day: ONDA and Su Yan Cui are completely fine—you can head out right away after the procedure. For HIFU and Thermage, it’s recommended to return to the hotel and rest for 2–3 hours first to allow your skin to stabilize before going out.
Frequently Asked Questions FAQ
Q: What’s the difference between Onda microwave Lifting at Beauty Dermatology and regular radiofrequency treatments?
A: ONDA uses 2.45GHz microwaves, which have a deeper penetration depth compared to regular radio frequencies (1-2MHz). This allows them to target the fat layer directly, making it particularly effective for addressing issues like blurred jawlines, Double Chin, and sagging skin around the mouth caused by fat accumulation. The best part is that no anesthesia is required at all, and there’s no recovery period after the treatment. Currently, this device is only available at specific clinics across South Korea—not every Dermatology practice is equipped with it.
Q: Can HIFU and Thermage be done on the same day?
A: Theoretically, it’s possible, but a doctor needs to assess the skin thickness and tolerance first. Dermatology clinics specializing in Beauty recommend using these treatments in combination—if sagging is mainly due to the fascial layer, HIFU should be given priority; if reduced skin elasticity and fine lines are the main issues, Thermage is the better choice. For a combined treatment on the same day, the energy parameters must be determined after a face-to-face consultation with the clinic director. It’s not advisable to request that all treatments be done at once without professional guidance.
Q: If I don’t speak Korean, will it be difficult to communicate at a Beauty Dermatology clinic?
A: Not at all. Beauty Dermatology has staff who speak Chinese, allowing you to communicate in Chinese throughout the process—from scheduling consultations to post-surgery follow-ups. Although the director from South Korea primarily speaks Korean, he knows some Japanese and basic English. With a Chinese-speaking manager available to translate throughout, there are no communication barriers. You can also make reservations in Chinese directly via WeChat at Hannah972 or through the BeautsGO platform.
Q: How far in advance should I make an appointment at Beauty Dermatology?
A:It’s recommended to make an appointment at least a week in advance. During the peak travel seasons in April–May or September–October, it’s better to book two weeks ahead. Appointments with the director themselves are especially popular, so it’s suggested to schedule them on Saturday mornings (Sundays are off). For basic treatments like cleansing and hydrating treatments, it’s sometimes possible to get in same-day appointments, but for major procedures such as Thermage and HIFU that require direct supervision by the director, booking well in advance is absolutely necessary.
Q: How long does it take for the HIFU treatment to show results? And how long do those effects last?
A: Immediate effects typically begin to show around 3–7 days after the procedure (due to Collagen contraction), with peak results occurring 3–4 months post-surgery (as new Collagen is generated). These effects can last for 12–18 months. The duration of these benefits can be influenced by factors such as age, lifestyle habits, sun protection, and weight changes. The director of Beauty Dermatology recommends having the procedure done once a year as part of an annual anti-aging routine.
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