If you have already had ONDA and are considering another session, the short answer is that downtime and risks depend on your skin laxity, fat distribution, and the energy delivered in kilojoules (kJ). At Min Clinic in Gangnam, Cheongdam, the doctor reviews your prior records, reassesses your skin and treatment goals, and plans the second session accordingly, then recommends follow-up so your progress can be checked.

What to expect in the days after ONDA

ONDA is an energy-based device treatment that uses Coolwaves at 2.45GHz, described by its manufacturer (DEKA M.E.L.A. S.r.l., Calenzano, Italy) as disrupting subcutaneous fat cell membranes while also stimulating collagen production. Individual responses vary, and the need for additional care is determined after the doctor reviews your condition and progress.
Because the treatment is delivered in kJ, the sensations during and after treatment relate to the planned energy and the chosen handpiece depth. At Min Clinic, the doctor adjusts both for each area based on your anatomy and goals.
Follow-up: for device treatments, visiting the clinic for a doctor’s review is recommended. The doctor will check your skin condition, discuss whether any additional treatment is advisable, and time any next session according to your response.
Activities and travel: Min Clinic advises that device-treatment follow-ups are valuable; otherwise, routine return home the same day is typical. If you plan to fly or resume specific activities soon after treatment, ask the doctor during consultation and at your post-treatment check.

Note on regulatory scope: ONDA is provided as an energy-based device treatment for localized fat, cellulite, and skin laxity as described by the manufacturer. Availability and use are based on medical assessment at Min Clinic.

How a second ONDA session is planned when you already have records

Review of prior treatment: Bring or request your previous ONDA records. Min Clinic can provide a detailed medical statement on request. Prior kJ levels, handpiece choices, and treated areas help the doctor refine the next plan.
Handpiece selection by area: ONDA has two handpieces. The deeper handpiece is generally chosen for localized fat on areas such as the abdomen, flanks, knees, buttocks, and underarms; the shallower handpiece is generally selected for cellulite, skin firmness, and the submental area. A higher energy level or a specific handpiece is not automatically better; the doctor matches the 3mm and 7mm handpieces and kJ to your skin thickness, fat distribution, and goals.
Area-by-area tailoring: Skin thickness and fat distribution differ between face and body. At Min Clinic, the doctor selects the treatment area and kJ for each region rather than applying a single setting.
Number and timing of sessions: The course depends on your degree of skin laxity and lower-face fat for facial work, and on distribution and goals for body areas. Some patients return after a single session at a later interval, while others undergo a short course at closer intervals before moving to maintenance. Exact timing is individualized after the doctor reviews your response.

What to verify in Cheongdam, Gangnam before you book

Authenticity of the device: ONDA is an energy-based device treatment, not an injectable, and does not use a separate single-use tip. Instead, confirm that the clinic uses an authentic ONDA device.
What makes quotes comparable: Ensure you are comparing the same things—treatment area, planned energy in kJ, device generation, who performs the treatment, and what aftercare is included. Two quotes are comparable only when these conditions are similar.
Who performs the procedure: At Min Clinic, medical aesthetic procedures are performed by a doctor. Skincare treatments are provided separately.
Combined plans: Depending on your skin laxity, fat distribution, treatment area, and goals, ONDA can be performed alone or considered alongside other options such as Ultherapy PRIME, 10THERMA, or QuickSlim injections. These work differently and are not automatically combined; the doctor will recommend whether ONDA should stand alone or be part of a plan.
Pregnancy: Min Clinic does not perform laser or injectable treatments during pregnancy. Skincare treatments are the only exception.

Getting here from Cheongdam Station

By subway: From Cheongdam Station on Line 7, ride to Gangnam-gu Office Station (Line 7 and Suin-Bundang Line). Including the walk, the overall time is about 10–15 minutes (estimated from stop count and transfers, not measured). Leave Gangnam-gu Office Station by Exit 3 or 3-1; the walk from there is about 7 minutes.
By taxi: From Cheongdam Station the ride is about 3–8 minutes, with a fare about ₩4,800–6,900 (calculated from Seoul’s daytime medium-taxi fare rule and estimated road distance; excludes tolls and late-night surcharge).
Nearest station/exit: Exit 5 of Apgujeong Rodeo Station (Suin-Bundang Line) is the nearest exit to the clinic. From Exit 5 it is about 5–10 minutes on foot. The building stands at Hakdong Intersection, with an Olive Young store on the ground floor.
Address and parking: Min Clinic is at 4F, Daedong Tower, 326 Dosan-daero. Parking is in the outdoor lot on the first floor of Daedong Tower, entered from the alley to the right of the Olive Young store at Hakdong Intersection. Valet parking is also available. No verified parking fee is available, so ask the clinic before you visit.
Landmark in Cheongdam: Cheongdam Fashion Street.

Pricing, session length, and scheduling basics

How pricing is set for ONDA: ONDA is priced by kilojoules (kJ). On the face, price follows the kJ delivered; on the body, kJ is planned by area size and goals. A slighter build may need less energy; a heavier build, or a male patient, may need more. VAT is charged separately. Confirm your final plan and cost with the clinic.
Time in the chair: A facial session generally takes about 15 minutes, and a body area about 30 minutes. Treatment on the same day as consultation is possible.
Aftercare approach: Follow-up care and the need for any additional treatment are determined by the doctor after assessing your condition and progress. For device treatments, a follow-up review by the doctor is recommended.

Administrative details:

Clinic hours: Monday to Thursday 10:00–19:00, Friday 10:00–20:00, Saturday 10:00–15:00, with a lunch break from 13:00 to 14:00. Closed on Sundays and public holidays.
Booking and contact: The clinic line is +82-2-515-2119. From overseas, WhatsApp on +82-10-3379-9350 reaches the same desk. WhatsApp messages are answered during clinic hours. Appointments can be arranged by WhatsApp, KakaoTalk, WeChat, phone, or in person.
Channels: WhatsApp https://api.whatsapp.com/message/2P2LPJESWKZTE1?autoload=1&app_absent=0, KakaoTalk https://pf.kakao.com/_pxgTqE, WeChat minbeauty, LINE minclinic, website https://www.min-clinic.co.kr/
Consultation: A senior consultation manager conducts the initial consultation with an EVE V MUSE analyzer, followed by a doctor’s assessment. A consultation runs 15 to 30 minutes, and often longer for international patients. The consultation fee is deducted from the cost of treatment if you go ahead. You may consult without booking treatment.
Documentation and languages: Chinese and Japanese are handled on site. English is covered by a dedicated interpreter on an appointment basis. Bring a passport or other photo ID. Upon request, skin-analysis results can be emailed, and treatment records can be provided as a detailed medical statement.
Foreign patient registration and payment: Min Clinic is registered to attract foreign patients. Visa, Mastercard, American Express, UnionPay, JCB, Apple Pay, WeChat Pay, Alipay, and Korean-won cash are accepted. A deposit is required to book and is deducted from the consultation or treatment fee when you attend.

Frequently asked questions

Does having ONDA before change the risks the second time?

Your prior response helps the doctor predict how your skin may respond again and to plan kJ levels and handpieces accordingly. The doctor reviews your records, examines your current skin condition, and recommends follow-up to monitor your progress.

How is the “dose” decided for my second session?

ONDA is delivered in kilojoules. At Min Clinic, the doctor assesses skin laxity, fat distribution, and your goals for each treatment area, then selects and adjusts kJ and the 3mm/7mm handpieces for you. A higher energy level is not automatically better; it is tailored to the area’s characteristics.

Can I combine ONDA with other treatments this time?

Possibly. Depending on your anatomy, skin condition, and goals, the doctor may consider Ultherapy PRIME, 10THERMA, or QuickSlim injections as alternatives or complements. These are not routinely combined with ONDA; the recommendation is individualized.

What should I look for to confirm I am getting the authentic device?

ONDA is an energy-based device treatment and has no per-patient vial to open. You can confirm that the clinic uses an authentic ONDA or ONDA Plus device; certificates are displayed in the clinic.

How do I compare quotes in Cheongdam, Gangnam?

Compare the treatment area, the planned kJ, the device generation, who performs the treatment, and what aftercare is included. Two quotes are only comparable when these conditions are similar. Confirm final details with the clinic.

What follow-up does Min Clinic recommend after ONDA?

For device treatments, visiting the clinic for a doctor’s review is recommended. The doctor evaluates your condition and response, advises whether additional treatment is appropriate, and helps time any next session.

Who performs ONDA at Min Clinic?

At Min Clinic, medical aesthetic procedures are performed by a doctor. Skincare treatments are provided separately.

Sources

DEKA — ONDA Coolwaves product page — https://dekalaser.com/products/onda/ (checked 2026-09-05)
Min Clinic official website — https://min-clinic.co.kr/en/ (checked 2026-09-09)
min-clinic.co.kr — https://min-clinic.co.kr/contact/
news.seoul.go.kr — https://news.seoul.go.kr/traffic/archives/1659
en.wikipedia.org — https://en.wikipedia.org/wiki/Apgujeongrodeo_station