墨白 XERF (Dual-Frequency Monopolar Radiofrequency) is one of the most popular anti-aging treatments in Dermatology in South Korea in recent years. Promoted by the South Korean actress Park Shin-hye, it is marketed as “painless Thermage,” attracting numerous beauty enthusiasts. However, many people find that their skin develops small “bubbles” or blisters after undergoing XERF treatment, leaving them confused: Does XERF in South Korea cause blistering the day after the procedure? Is this a normal reaction, or should it be a cause for concern? This article will provide a detailed analysis of the post-treatment reactions to XERF, helping you understand them correctly and know how to deal with them appropriately.
What is XERF? A brief explanation of its principle
XERF is a dual-frequency monopolar radiofrequency technology developed by South Korea’s medical equipment manufacturer Cynosure Lutronic. By utilizing radiofrequency energy at two different frequencies—6.78MHz and 2MHz—it precisely targets the dermis and SMAS layers, causing the water molecules in the skin to rotate and generate heat. This raises the temperature of the targeted tissues to between 45 and 60°C, thereby stimulating the contraction and regeneration of Collagen and achieving a tightening and lifting effect.
Compared to Thermage, the greatest advantage of XERF lies in its use of the “WaveFitPulse” wave impulse technology. By combining 10 segments of variable-energy pulses with an immediate cooling system, it maintains a comfortable temperature on the skin’s surface, significantly reducing the pain associated with traditional radiofrequency treatments. Hence, it is often referred to as “the pain-free Thermage”.
Does XERF really cause swelling the day after application?
Yes, it is true that some people may experience small blisters or a “bubbling” effect within 1 to 3 days after undergoing XERF treatment. This is a well-known side effect of radiofrequency therapy in medical literature. However, this “bubbling” phenomenon is not common and can vary from person to person.
Why does it foam up?
When the radiofrequency energy from XERF acts on the dermis, it can trigger several mechanisms that may lead to the formation of bubbles.
- Subcutaneous water vaporization: High-energy radiofrequency rapidly heats the local tissue fluid in the dermis, causing tiny bubbles or blisters to form beneath the epidermis.
- Reaction of the epidermal protective layer: When the skin surface comes into contact with the probe, if the local energy level is slightly too high, it may stimulate the formation of protective blisters in the stratum corneum.
- Reactions in sensitive skin: People with thin or sensitive skin have a lower tolerance to radiofrequency heat energy, making them more prone to post-treatment reactions.
- Higher treatment intensity: To achieve better tightening results, practitioners often increase the energy settings, which may also increase the likelihood of side effects such as foaming.
Is post-treatment swelling a normal reaction with XERF? Should I be worried?
Minor, small blisters are generally considered a normal postoperative reaction and will usually disappear on their own within 3 to 7 days, requiring no special treatment. Here are the key criteria for distinguishing between “normal” and “requiring attention”:
| Situation | Judgment | It is recommended to take action accordingly. |
|---|---|---|
| Small, transparent blisters with a diameter of less than 1mm, appearing in small numbers | ✅ Normal reaction | Keep it clean; it will subside on its own. Do not squeeze it. |
| The blisters gradually reduced in size and disappeared within 3 to 5 days. | ✅ Normal | Just continue with your moisturizing skincare routine. |
| If the diameter of the blister exceeds 2mm, or if it appears over a large area, seek medical attention immediately. | ⚠️ Pay attention to this. | Contact the clinic where the procedure was performed and ask the doctor to handle it. |
| After the blister ruptures, redness, inflammation, or pus may occur. | ❌ Abnormal | Seek immediate follow-up treatment to prevent the infection from worsening. |
| Blisters are accompanied by persistent burning sensations and severe pain. | ❌ Abnormal | Contact the clinic immediately or seek medical attention at the nearest location. |
XERF Post-Surgery Comprehensive Care Guide
On the 1st day after the surgery (the same day)
- ✅ Ice compresses to reduce swelling: Apply a clean ice pack wrapped in a cloth for 10–15 minutes each time, and repeat this several times.
- ✅ Apply the post-treatment repair cream recommended by your doctor – this cream usually contains healing growth factors or chamomile ingredients.
- ❌ Avoid using skincare products that contain alcohol or are irritating to the skin.
- ❌ Do not wear makeup, and avoid taking saunas or baths.
- ❌ Do not rub or scrub the treated area with too much force.
On the 2nd to 3rd day after the procedure (during the peak phase of swelling)
- ✅ Continuous hydration: Use mild moisturizers or restorative masks to keep your skin well-hydrated.
- ✅ Sun protection: If you need to go out, be sure to use sunscreen with an SPF of at least 50.
- ✅ If small blisters appear, keep them clean and avoid squeezing them; let them heal on their own.
- ❌ Avoid touching the blisters with your hands to prevent infection.
- ❌ Avoid intense physical exercise (excessive sweating may irritate the skin).
Days 4 to 7 after the procedure (recovery period)
- ✅ Continuously using restorative skincare products can help promote skin recovery.
- ✅ Drink an appropriate amount of water – staying hydrated helps accelerate metabolism and aid in recovery.
- ✅ You can gradually resume your regular skincare routine, but it is still recommended to avoid products containing irritating ingredients.
Who is more likely to experience swelling after undergoing XERF?
The following groups of people are more likely to experience foaming reactions after XERF treatment. It is recommended that you inform your doctor in advance before the procedure:
- For those with thin or sensitive skin: The skin’s barrier function is weaker, making them more reactive to heat.
- For those who have recently undergone other laser treatments or skin resurfacing procedures: Since the skin has not fully recovered, it is not recommended to undergo energy-based treatments again in a short period of time.
- For those with slightly dry skin in certain areas: Due to the lack of an adequate protective barrier, heat can more easily damage the epidermis.
- Patients with autoimmune diseases, such as lupus erythematosus, have a weaker ability to repair their skin.
Reference on the effects and costs of XERF treatment
- Main effects: Tightens the skin, reduces sagging, fades fine lines, and lifts the facial contours.
- Time to see results: The effects begin to become apparent 1 to 3 months after the procedure (Collagen regeneration takes some time).
- Effect durability: Typically lasts for 1 to 2 years; it is recommended to perform maintenance 1 to 2 times a year.
- Suitable for: People with mild to moderate skin laxity who wish to Lifting their facial contours.
- Cost reference: Starting from ⩾8 million Korean won (depending on the number of treatments and areas involved)
How to Make an Appointment at South Korea’s XERF Clinic BeautsGO
Making an appointment for a XERF treatment in South Korea through BeautsGO is quite convenient. You can either download the BeautsGO app or directly search for it on WeChat and use the “BeautsGO” mini-program. Enter “XERF” or the name of the clinic in the search bar to access the relevant page, where you can view detailed information such as prices, doctor profiles, and real customer reviews. Once you’ve confirmed all the details, click “Schedule a Consultation” or “Book Now” at the bottom right, and fill in your name, contact information, the number of people attending, and the desired appointment time. If you have any questions, you can always consult the Chinese customer service on the platform or the official WeChat account “BeautsGO彼此美APP”. This not only ensures transparency in information but also helps avoid last-minute price increases at the clinic. In addition, the platform provides assistance with after-sales communications, making it extremely convenient for independent travelers.
Frequently Asked Questions
Q1: What is the difference between XERF and Thermage?
The main differences lie in the frequency technology and comfort level. XERF uses dual-frequency technology (6.78MHz + 2MHz) and is equipped with a cooling system, resulting in significantly less discomfort compared to Thermage; whereas Thermage utilizes single-frequency technology, concentrating the energy more intensely. In terms of effectiveness, the two are similar, but XERF is more suitable for individuals who are more sensitive to pain.
Q2: How long does it take for the swelling after XERF surgery to subside?
Minor swelling after XERF treatment usually subsides within 1 to 3 days; in cases of more noticeable swelling, it may take 5 to 7 days. Applying ice packs and getting plenty of rest can help accelerate the recovery process.
Q3: Can I take a flight home immediately after completing the XERF procedure?
In principle, it’s possible, but it’s recommended to rest for at least 1 day after the procedure before flying. The low humidity on the plane can cause your skin to become drier, so it’s important to hydrate properly and carry a post-treatment moisturizer with you.
Q4: Is XERF effective in just one application? How many treatments are needed?
A single XERF treatment is sufficient to notice the tightening effects, with the results being most noticeable typically 1 to 3 months after the procedure. For longer-lasting results, it is recommended to undergo 1 to 2 maintenance treatments per year.
Q5: What should I do if the blisters formed after undergoing XERF break open?
After the blister naturally ruptures, it is important to keep the affected area clean and dry. You may apply an antibacterial ointment recommended by a doctor to prevent infection. Do not attempt to puncture the blister yourself, and monitor any signs of increased redness or pus formation. If such symptoms occur, seek medical attention immediately.
V&MJ skin department
BeautsGO認證
📍 Seoul 🚇
Please visit BeautsGO for more
information. 🕐 Hours of operation: Monday to Thursday: 10:00 – 19:00; Friday: 10:00 – 21:00; Saturday: 10:00 – 16:00; Sunday/holidays: Closed.
| Recommended Projects | Reference prices |
|---|---|
| Korean-made Filler | Please visit BeautsGO for more information. |
| Thermage for firming the skin | Please visit BeautsGO for more information. |
| Thread lift surgery | Please visit BeautsGO for more information. |
* The prices are for reference only; the actual fee will be subject to the clinic’s daily quotation.
