Treatment Guide
The Numbing Options for Ultherapy — and Which One I Actually Pick
Topical, oral, IV, nerve block. I've tried four of these on three trips. Here's the honest matrix and which one I now ask for by name.
Nobody warned me about the numbing decision. On my first Ultherapy trip to Gangnam I assumed numbing was a default — a thing the clinic did, like wiping the skin with alcohol, and I didn't have to think about it. Wrong. There are at least four real numbing options for Ultherapy, the clinic will usually ask which one you want, and the answer changes the entire experience — the during, the after, the cost, and what you can do for the rest of the day. Three trips and four combinations later, this is the diary of what I've tried, what I now pick by name, and the trade-offs nobody put in the brochure.
Why numbing is a real conversation, not a default
Ultherapy numbing is the layered pre-treatment plan a clinic uses to lower the discomfort of microfocused ultrasound energy delivered at three depths — and unlike a facial, it is not optional in any meaningful sense for most foreheads, jawlines, and bony zones. The energy fires at 1.5mm, 3mm, and 4.5mm, and the deepest pass is the one that catches people off guard. I've heard the sensation described as a hot rubber band, a deep electric flick, and a pulse you feel in your teeth. All three are accurate, and all three are easier with the right pre-medication.
The reason this is a conversation and not a default is that Korean clinics in Gangnam offer a real menu — topical only, topical plus oral, topical plus IV sedation, and selective nerve blocks for the trigeminal branches. Each one has a different downtime, a different cost, and a different effect on what you can do for the rest of the day. The clinic that just does "cream and go" without asking is the one I no longer go back to. The right question on the consult call is: "What numbing options do you offer for full-face Ultherapy, and which do most foreigners pick?"
Option 1: topical lidocaine — the floor of the menu
Topical lidocaine is the baseline every clinic should be doing, and on my first trip I thought it was the entire conversation. The standard Korean clinic protocol applies a 9.6 percent compounded lidocaine cream under occlusion (a thin plastic wrap) for 45 to 60 minutes before the procedure. It does meaningfully reduce the surface sensation. It does not, by itself, dull the deep 4.5mm pass on the bony jawline or the temple, which is where the discomfort actually lives.
A peer-reviewed comparison of topical anesthetics for cosmetic procedures (Kouba et al., Journal of the American Academy of Dermatology, 2016) summarized that compounded high-concentration lidocaine creams are reasonably effective for superficial procedures but inadequate for deep-energy devices when used alone. My personal experience matches that. I rate the topical-only experience at maybe a 7 out of 10 on the discomfort scale for full-face Ultherapy on a 600-line plan. Doable. Not pleasant. The kind of thing you white-knuckle through and then go quietly back to your hotel and feel a little crazy about for an hour.
The one thing topical does well that the upgrade tiers don't change: it makes the superficial 1.5mm pass on the cheek and the perioral zone genuinely tolerable. So even when I'm doing a full upgrade stack, the cream is still the foundation under everything else. I just don't pretend it's enough on its own anymore.
Option 2: oral pre-medication — the underrated middle option
Oral pre-medication is the option I wish I'd tried first, and the one I now ask for as a baseline upgrade. In Korean Gangnam clinics this typically means a combination of an oral analgesic (often acetaminophen or a low-dose NSAID, depending on contraindications) plus a short-acting anxiolytic — sometimes a low dose of a benzodiazepine, sometimes an alternative — given 30 to 60 minutes before the procedure. The intent is not to knock you out; it is to lower the anxiety floor so the discomfort doesn't compound.
On my second trip I added oral pre-medication to topical, and the difference was real. The sensation was still present — Ultherapy is not a treatment you experience as comfortable — but the floor of my anxiety dropped, my jaw stopped clenching, and I could breathe through the deep pass instead of bracing against it. My rating for topical-plus-oral was a 4 to 5 out of 10. The trade-off is mild grogginess for two to three hours after, which means do not plan a 4pm dinner at a hotel rooftop. Plan a hotel nap. Your post-procedure brain will thank you. The oral protocol is not always offered as a default; you sometimes have to ask.
Option 3: IV sedation — the comfort tier with real overhead
IV sedation — sometimes called "sleep Ultherapy" or "twilight Ultherapy" in Gangnam clinic marketing — is the option that dominates Korean influencer reels, and I want to be honest about it. It involves an IV line, monitored conscious sedation (typically a low-dose propofol or midazolam protocol administered by a licensed anesthesiologist or sedation-trained physician), continuous pulse oximetry, and a recovery room afterward where you wake up slowly. The procedure itself becomes something you mostly don't remember, which is the whole pitch.
I've done this once, on my third trip, and my honest take is mixed. The during-procedure experience was, by definition, not an experience — I have a vague memory of warm light and the practitioner's voice and almost nothing else. The after was a different story. I needed two full hours in the recovery room, I could not have safely walked back to my hotel alone, and I was not allowed to do anything decision-requiring for the rest of the day. There's also the cost layer (typically an additional 200,000 to 500,000 KRW in Gangnam, depending on the clinic and the anesthesiologist's involvement), the fasting requirement (usually 6 hours nothing by mouth), and a non-trivial added risk profile that any honest provider will walk you through. Studies on monitored sedation safety in cosmetic procedures (e.g., Bitar et al., Plastic and Reconstructive Surgery, 2003) consistently note that the risk profile is low in trained hands but is not zero. IV sedation is the right answer for some people. It was not the right answer for me on a routine maintenance treatment, and I have not used it since.
The place where I think it does make sense, in my reading: very high anxiety patients for whom the procedure would otherwise be unmanageable, very large body Ultherapy sessions where the line count is high and the energy delivery is sustained over a long time window, and patients with a documented history of vasovagal response to procedures. For routine 600-line full-face plans on someone who can breathe through discomfort with the right oral and block stack, I think it's overkill. The clinic that offers it as the default upgrade for everyone is, in my view, optimizing for marketing rather than for the patient. The clinic that walks you through when it's actually warranted and when it isn't — that's the one I trust.
Option 4: nerve blocks — the underused targeted approach
Nerve blocks are the option I now ask for by name on my upper face, and they are the most underused option on the Korean clinic menu. A nerve block is a small injection of local anesthetic — typically lidocaine or bupivacaine — placed near a specific branch of the trigeminal nerve to numb the territory that branch supplies. For Ultherapy, the relevant blocks are the supraorbital and supratrochlear blocks for the forehead and brow, the infraorbital block for the upper cheek and lateral nose, and the mental block for the chin and lower lip area.
The trade-off is that nerve blocks are themselves uncomfortable for about ten seconds — a needle going in near a nerve, then a brief pressure as the anesthetic spreads. After that, the territory is genuinely numb, in a way that topical lidocaine cannot match. A 2019 review of regional anesthesia for facial procedures (Salam, Aesthetic Plastic Surgery) summarized that selective trigeminal blocks meaningfully reduce intra-procedure pain scores for energy-based facial treatments, with a low complication rate when performed by trained physicians. My experience supports this. On my last trip I did topical plus oral plus targeted blocks for the forehead and the jawline, and the discomfort score for the deep pass dropped to maybe a 3 out of 10. That's the combination I now ask for.
The practical thing nobody mentions: a good nerve-block plan is asymmetric. I don't need blocks across the entire face. I need them where the energy actually hurts on me, which is the supraorbital ridge, the temple, and the angle of the jaw. Other zones — the mid-cheek, the upper neck — feel manageable with topical and oral alone. So I ask for targeted blocks on the three zones I know are difficult, not a comprehensive face-wide block. The clinic appreciates the specificity, and the total injection count drops, which means less total discomfort during the prep itself. The only people who can give you this kind of zone-by-zone plan are providers who actually do this regularly. The clinic that pushes back with "we just do cream for everyone" is, again, the one I drop from the shortlist.
Comparison table: the four options side by side
Here's the matrix the way I'd explain it to a friend. The Korean clinic prices below are typical Gangnam ranges as of my last visit and will vary; always confirm at your specific clinic. The discomfort score is my subjective rating on a 10-point scale, where 10 is white-knuckle and 1 is a normal Tuesday.
| Option | What it is | Korean clinic add-on cost (KRW) | Day-of downtime | My discomfort score |
|---|---|---|---|---|
| Topical lidocaine only | 9.6% compounded cream, 45-60 min under occlusion | Usually included | None — drive yourself home | 7/10 |
| Topical + oral pre-medication | Cream + acetaminophen/NSAID + short-acting anxiolytic | 30,000-80,000 | 2-3 hours mild grogginess; no driving | 4-5/10 |
| Topical + IV monitored sedation | Cream + IV propofol/midazolam, anesthesiologist on hand | 200,000-500,000 | Half-day; companion required; no decisions | 1-2/10 (you don't remember) |
| Topical + oral + targeted nerve blocks | Cream + oral + supraorbital/infraorbital/mental blocks | 50,000-150,000 | 2-3 hours mild numbness in territory | 3/10 |
Which one I actually pick now, and why
After three trips and four different combinations, I land on topical plus oral plus targeted nerve blocks. It costs me an extra 80,000 to 150,000 KRW, lets me walk myself back to the hotel, doesn't require a fasting morning, doesn't require a companion, and gets the discomfort to a level I can breathe through. I keep IV sedation in the back pocket for if I ever do a very large body Ultherapy session — the abdomen, the inner arms — where the line count is high and the energy delivery is sustained.
What I would tell a friend booking her first Ultherapy in Gangnam: do not accept topical-only as the default. Ask the clinic on the consult call which options they offer, ask what most foreigners on a 600-line full-face plan pick, and budget for the upgrade. The procedure itself is 60 to 90 minutes. The cost difference between the worst experience and a manageable one is, in the scheme of a Korea aesthetic trip, small. I wish someone had handed me this matrix on my first trip. I'm handing it to you on yours.
How to actually have the numbing conversation with a Korean clinic
The numbing conversation should happen on the consult call, not on the morning of the procedure. By the time you're in the chair with cream on your face under occlusion, the clinic has already chosen for you, and changing the plan there is awkward and rushed. I now do the conversation by email or WhatsApp at least 48 hours before the appointment, and I send the same three-question template every time. Question one: what numbing options do you offer for full-face Ultherapy on a 600-line plan, and which do most foreign patients select? Question two: if I want oral pre-medication or targeted nerve blocks, can you confirm those will be available the day of, and itemize the additional cost? Question three: who administers the nerve blocks or IV sedation if I select that — what's their licensing and experience?
The answers tell me a lot about the clinic. A clinic that responds with a clear menu, named medications, an itemized price, and a credentialed sedation provider is a clinic I trust with my face. A clinic that says "don't worry, we use cream" and resists the conversation is one I quietly drop from the shortlist. The Korea Health Industry Development Institute publishes general guidance for foreign patients seeking aesthetic care that emphasizes informed consent and clear pre-procedure communication, and the numbing conversation is one of the most concrete places that principle gets tested. If the clinic won't have the conversation in writing before you fly, ask what else they're not having in writing. That's the actual test, not the device on the shelf.
Frequently asked questions
Is Ultherapy in Korea typically more painful than in the US?
Not inherently — the device, the energy levels, and the depths are the same. What can differ is the numbing protocol on offer. Some Korean Gangnam clinics use more aggressive layered numbing (oral plus blocks plus topical) than the US average, while others rely heavily on topical only. Ask on the consult call about exactly which options are available, and don't assume the default.
Can I just take ibuprofen before Ultherapy and skip the clinic numbing?
Patients sometimes report some relief with over-the-counter NSAIDs taken 30 to 60 minutes before, but this is not a substitute for a real numbing plan. NSAIDs may help with the post-procedure achiness, but they don't dull the deep 4.5mm pass meaningfully. Always confirm with your clinic which medications are safe to take pre-procedure, since some affect bleeding.
Are nerve blocks safe for Ultherapy?
When performed by a trained physician, targeted trigeminal nerve blocks have a low complication rate in the published literature and are widely used for energy-based facial procedures. The most common short-term effect is temporary numbness in the territory, lasting 2 to 4 hours. Rare risks include bruising at the injection site or, very rarely, transient nerve irritation. Ask your provider about their experience and complication rate.
Do I need a companion if I get IV sedation for Ultherapy?
Yes, in almost every case. Korean clinics that offer IV monitored sedation will require a companion to escort you back to your hotel, and most will not discharge you alone. They'll also require fasting (usually 6 hours nothing by mouth) and won't allow you to make legal or financial decisions for the rest of the day. Plan accordingly — this is a half-day commitment, not a 90-minute appointment.
Is the numbing cost included in the Ultherapy package price?
It depends on the clinic. Most Gangnam clinics include topical lidocaine in the base price but charge separately for oral pre-medication, nerve blocks, or IV sedation. Always ask for an itemized quote on the consult call so you're not surprised at check-in. The numbing upgrade can add anywhere from 30,000 to 500,000 KRW depending on the option.
What's the most underused numbing option I should ask about?
Targeted nerve blocks. Many foreigners default to either topical-only (under-numbed) or full IV sedation (over-engineered for a routine treatment). Selective supraorbital, infraorbital, and mental nerve blocks plus topical and oral pre-medication is, in my experience and based on the published regional anesthesia literature, the most cost-effective combination for a manageable Ultherapy day. Studies suggest it materially reduces intra-procedure pain scores while keeping you ambulatory.