Before undergoing the HIFU treatment at SIA Shiya in Gangnam, Seoul, I researched three different clinics. The reason that ultimately led me to choose this one surprised me a bit.
When I was looking for anti-aging treatment options in Gangnam, Seoul, I compared three different clinics before finally choosing SIA Shiyaa. To be honest, my decision was somewhat unexpected – not because of the price, but rather because the consultation experience gave me confidence. I want to share my research process and my actual visit to this clinic, so that friends who are also considering HIFU or Thermage treatments can use this information as a reference.
Where is SWOMAN Dermatology located? How can I find the address in Gangnam?
SIA Shiyaa (Siya’s Clinic, Gangnam Branch) is located on the 4th and 5th floors of Jungang Plaza, 488 Gangnam-daero, Gangnam-gu, Seoul. It is only about a 3-minute walk from the Sinnonhyeon station on Line 9 or a 7-minute walk from the Gangnam station on Line 2. The landmark building is Jungang Plaza; you can see the signboard as soon as you reach the 4th floor by elevator. The environment is quieter than expected, and the lighting in the waiting area is quite soft as well.
The clinic opened in December 2025, which might sound quite new, but the directors in charge all have over a decade of experience in Dermatology. They brought their own patient bases with them from other well-known hospitals, so although the clinic has just opened, it doesn’t have the feel of a newly established establishment. There are three specialist physicians on staff, each specializing in different treatments: instrument-based therapies, Pico laser treatments, and fillers injections. After your consultation, you will likely be able to determine which doctor is the most suitable for you.
When comparing SIA Shiyaa with other HIFU clinics in Gangnam, I considered several key factors.
Before choosing SWOMAN, I also looked at two other well-known clinics in Gangnam that offer HIFU treatments. The main aspects I considered were: the model of the equipment, the combination of HIFU pulses, the doctors’ qualifications, and their attitude towards providing consultation services.
SIA uses the second-generation American version of Ultherapy Prime for HIFU treatments, which is different from the Korean version – it features a higher density of treatment beams and more precise penetration depths. In Gangnam, not many clinics offer combined treatments using ONDA radiofrequency for the jawline. SIA offers these two procedures together at a fixed price: 300 sessions of Ultherapy Prime plus 40 kilojoules of ONDA radiofrequency, for a total of ⩩9,900,000 – which is actually more affordable than when I inquired about the services separately at another clinic. Additionally, their Thermage FLX equipment is officially certified, and it comes with a serial number that can be verified on-site, which is a significant advantage for me.
During the consultation, it was translated as “AI instant call”. I kept speaking in Chinese, and the other party was able to understand me as well as explain the details of the treatment process. The whole process went much smoother than I expected. For foreigners, this is actually quite important.
Reference prices for SIA Shiyara HIFU, Thermage FLX, and ONDA (market conditions in 2026)
Below are the current quotes for 2026 that I have gathered for your reference (the exchange rates are based on the date of consultation and may be subject to changes at any time):
| Treatment options | Specifications | Reference price |
|---|---|---|
| Ultherapy Prime HIFU (Second-generation version for the US market) | 300 launches | Starting from approximately ₩6,500,000 |
| HIFU 300 treatments + Onda 40-kilojoule package | Combination therapy | ₩9,900,000 |
| Thermage FLX (for the face) | Full face + eye area | The price can be discussed based on the number of items. |
| Potenza + Juvelook 2 centum core + Hyaluronic acid injection 2.5 centum core | Combo Packages | ₩2,990,000 |
The prices of HIFU treatments can vary significantly depending on the number of treatment sessions. It is recommended to confirm in advance whether the package includes treatments for the eye area and neck to avoid additional fees at the time of treatment. The pricing of Thermage FLX treatments also varies greatly among clinics in Gangnam; make sure to verify that the device being used is officially authorized. SWOMAN can provide the serial number for verification on the spot.
What is the process for foreigners to seek medical treatment at SIA Shiyaya?
I made my appointment through BeautsGO, filled out a consultation form in Chinese, and selected the desired time slot. The next day, an assistant from the clinic contacted me via KakaoTalk to confirm the details. Upon arriving at the clinic, I first completed a basic medical history form, and the nurse measured my blood pressure before I waited for the doctor to conduct the consultation. The entire waiting process took less than 15 minutes, which was much faster than at some well-known Gangnam clinics I had visited before.
During the consultation, the doctor brought a mirror for me to look at my face and marked several areas that needed special attention. He then explained how HIFU and ONDA worked at different depths of the skin. His explanation helped me understand for the first time why these two treatments could be combined, and how their effects were additive. This was precisely the reason why I decided to proceed with the treatment.
If, like me, this is your first time undergoing instrumental treatments in Seoul, you can directly check the latest appointment availability and detailed information for SIA on BeautsGO. The platform offers a Traditional Chinese interface, so you can also ask any questions about the treatments in advance before your appointment.
The combination of SIA Shiyara HIFU and ONDA: Why combine these two technologies together?
Ultherapy Prime (HIFU) acts on the deeper layers of the skin, using focused ultrasonic waves to heat the SMAS layer and stimulate the regeneration of Collagen, thereby primarily improving loose skin and lifting sagging areas. ONDA, on the other hand, is a type of microwave radiofrequency treatment that targets the superficial subcutaneous fat, and is particularly effective for treating Double Chin, baby fat, and fat pads in the lower jaw area.
The two treatments operate at different levels, and when combined, they can effectively address both “tissue laxity” and “local fat accumulation” simultaneously. Many people who have undergone HIFU treatments in Cheongdam or Gangnam notice an improvement in the firmness of their facial contours, but still retain some baby fat on their sides of the face—this is precisely why package-based treatment options have become increasingly popular nowadays. SIA’s combined approach offers good value for money, especially for those who are trying this type of anti-aging treatment for the first time.
Frequently Asked Questions: Things You May Want to Know Before Going to SIA Shiyaa
Q: Which age group is SIA Shiyi suitable for? A: HIFU treatment
s are mainly targeted at people over 25 years old who experience initial signs of skin laxity. ONDA, on the other hand, has no age restrictions; anyone with local fat issues can consult about it.
Q: Is there a recovery period after undergoing HIFU? A: Generally, there i
s no need for a special recovery period after HIFU. Mild swelling or discomfort may occur after the procedure, but these symptoms usually subside within 1 to 3 days and do not prevent you from going out. In rare cases, ONDA treatment may cause redness and warmth at the treatment site, but these effects also resolve within a few days.
Q: Does SIA Shiyaa offer Chinese-language services? A: The
clinic is currently equipped with AI real-time translation, so it is completely possible to receive consultations in Chinese. If you make an appointment through BeautsGO, you can also fill out the forms in Traditional Chinese.
Q: Is the Thermage device used by SIA genuine? How can I confirm this? A: SIA u
ses officially authorized Thermage FLX devices. You can check the device serial number on-site; it is recommended that you request this verification during any consultation.
Q: How many HIFU treatments are needed in one session? A: Th
e number of treatments depends on the individual’s facial shape and the degree of skin laxity; generally, 300 to 600 treatments are required for the entire face. SIA’s package includes 300 treatments, and additional treatments will be charged at a separate rate.
Q: How can one make an appointment with SIA Shi
yaa? A: You can book online through the BeautsGO Chinese platform. After selecting the desired time slot, the clinic will confirm the appointment via KakaoTalk. The entire process is very user-friendly for foreigners.
If you have any other questions about SWOMAN SIA, feel free to leave them in the comment section – friends who have gone to Gangnam together can share their experiences with each other.
