Contents Overview
1. Traptox in Korea at a Glance
2. What Is Traptox and What Can It Change?
3. How Much Does Traptox Cost in Korea in 2026?
4. 100 Units vs. 200 Units: How Dosing Is Decided
5. When Do Results Appear and How Long Do They Last?
6. Side Effects, Functional Risks, and Who Should Be Cautious
7. Procedure and Aftercare for International Patients
8. How to Compare Traptox Clinics in Seoul
9. Frequently Asked Questions
If you have searched "traptox korea," you have probably found dozens of pages listing 100-unit and 200-unit prices with little explanation of what those numbers actually mean for your body. Trapezius Botox is not the same as forehead or jaw Botox: the trapezius is a large, functional muscle that stabilizes your neck and shoulders during everyday movement, not a small muscle that only creases skin. That difference should shape how you plan units, pick a clinic, and set expectations. This guide breaks down Traptox in Korea from the ground up: what it is, what trapezius Botox costs at Jivaka partner clinics in Seoul, how many units are typically quoted, the results timeline backed by published clinical data, and the functional risks worth discussing with a doctor before you book.
Traptox in Korea at a Glance
Quick answer: Traptox is botulinum toxin type A injected into the trapezius muscle to create a smoother, less bulky shoulder line and, for some patients, less muscle tension. Based on active Jivaka partner-clinic listings checked on August 20, 2026, single-session trapezius pricing ranged from roughly ₩150,000 (about $102) for a domestic-brand 100-unit option to about ₩525,000 (about $357) for an imported-brand 200-unit option, before consultation fees and VAT — these figures reflect this specific partner-clinic sample, not a Korea-wide average. Measurable muscle-activity change can begin within days, but published studies report shoulder-contour change becoming visible gradually from about four weeks, with the most noticeable change reported around 12 weeks in one small study. Because the trapezius is a working muscle rather than a purely cosmetic one, your occupation, sport, and existing shoulder function matter as much as the price per unit.
| Factor | Detail |
|---|---|
| Goal | Reduce trapezius bulk for a smoother shoulder line; secondary benefit of muscle-tension relief for some patients |
| Area treated | Upper trapezius, bilateral (both shoulders), multiple injection points per side |
| Price sample (Jivaka partner clinics) | ₩150,000–₩525,000 per session, before VAT/consultation fees, checked 2026-08-20 — a partner-clinic sample, not a national average |
| Common quoted units | 100 units or 200 units total (bilateral), brand-dependent |
| Onset | Muscle-activity change typically within days to about two weeks |
| Visible change | Measurable from about four weeks in published studies; most noticeable change reported around 12 weeks in one small cohort |
| Duration | Commonly cited as roughly 3–6 months; varies by toxin brand and individual metabolism |
| Downtime | Low; possible soreness, mild bruising, or temporary heaviness for a few days |
| Key functional risk | Over-weakening the trapezius can affect shoulder-load tasks and posture support during the treatment window |

What Is Traptox and What Can It Change?
"Traptox" is short for trapezius Botox: botulinum toxin type A injected into the trapezius, the large triangular muscle that runs from the base of the skull, across both shoulders, and down along the spine toward the mid-back. It stabilizes the neck, rotates and elevates the shoulder blades, and supports posture during lifting, carrying, and desk work. That is very different from a facial muscle like the corrugator (glabella frown lines) or masseter (jaw), which move small areas of skin or bite force rather than support the shoulder girdle.
Botulinum toxin works by temporarily blocking the nerve signal that tells a muscle to contract. In the trapezius, less habitual contraction over weeks means the muscle fibers gradually atrophy, or shrink, from disuse — similar to what happens to any muscle you stop actively using. This is a slow, cumulative change driven by reduced muscle activity, not an immediate size reduction, a fat-dissolving effect, or a skeletal change to the shoulder or collarbone. When the muscle relaxes and sits smaller, the neck can look longer and the shoulder line can appear straighter and less sloped — a look some patients describe informally as a "90-degree shoulder line," a search phrase, not a medical outcome or a guaranteed result.
Muscle contour vs. fat, bone, and posture
Traptox changes muscle volume. It does not remove fat, reshape bone, or correct posture on its own — see the candidacy comparison table in Section 6 for what to discuss instead if fat, posture, or pain is the main concern rather than muscle bulk.
Cosmetic Traptox vs. medical treatment for trap pain
Botulinum toxin injections into the trapezius are also used medically, to relieve myofascial pain, tension headaches linked to trap tightness, and muscle spasm. Cosmetic Traptox and medical trapezius Botox use the same drug in the same muscle, but the goal, dosing pattern, and diagnostic workup are different. Medical treatment for trap pain is typically guided by trigger-point mapping and a pain or physiotherapy diagnosis; cosmetic Traptox is planned around bilateral symmetry and shoulder-line contour. This guide focuses on cosmetic, aesthetic-goal Traptox at Jivaka partner clinics. If your primary concern is chronic neck or shoulder pain rather than shoulder-line appearance, say so clearly at consultation, since it may change which provider, dosing pattern, and follow-up plan is appropriate for you.
How Much Does Traptox Cost in Korea in 2026?
Price methodology
The table below reflects live, active Traptox/trapezius Botox listings from Jivaka partner clinics only — not a market-wide or government price survey. It was snapshotted from the Jivaka product catalog on 2026-08-20, filtered to listings with Status = active and a listed price greater than zero, then grouped by clinic and product to show the lowest verified price per option. Prices are per single session, in Korean won, before clinic consultation fees. These are Jivaka partner-clinic listings, not a Korea-wide average, and pricing can change; always reconfirm the current price and whether VAT is included directly with the clinic before booking.
100U and 200U price table
| Clinic / Product | Units | Brand tier | Price (KRW) | Approx. USD* |
|---|---|---|---|---|
| Thank You Plastic Surgery – Body Botox, Trapezius | 100 units | Domestic (Korean-made) | ₩150,000 | ~$102 |
| The Clim Clinic – Botox, Trapezius option | 100 units | Domestic (Korean-made) | ₩165,000 | ~$112 |
| The Clim Clinic – Botox, Trapezius option | 100 units | Domestic (mid-tier brand) | ₩225,000 | ~$153 |
| Chang Dermatology Clinic – Body Botox: Trapezius | Per session | NABOTA (Daewoong, domestic) | ₩250,000 | ~$170 |
| The Clim Clinic – Botox, Trapezius option | 200 units | Domestic (Korean-made) | ₩285,000 | ~$194 |
| The Clim Clinic – Botox, Trapezius option | 200 units | Domestic (mid-tier brand) | ₩360,000 | ~$245 |
| The Clim Clinic – Botox, Trapezius option | 100 units | XEOMIN (Merz, imported) | ₩375,000 | ~$255 |
| Chang Dermatology Clinic – Body Botox: Trapezius | Per session | XEOMIN (Merz, imported) | ₩500,000 | ~$340 |
| The Clim Clinic – Botox, Trapezius option | 200 units | XEOMIN (Merz, imported) | ₩525,000 | ~$357 |
*Approximate USD conversion at roughly ₩1,470 = $1, exchange rate as of 2026-08-20; treat as a rough guide only, not a live rate. Some listings above are part of a multi-area body Botox menu (for example, alongside armpits, calves, or forearms) where the trapezius is one of several selectable areas at the same price point, not a bundle of all areas at once — confirm exactly which area(s) are covered in your quote. Prices exclude consultation fees; ask each clinic to confirm whether VAT is included.
You can browse current, live pricing on the Jivaka Botox product search — listings and prices there may have changed since this table was checked.
VAT, consultation fees, and quote validity
VAT-refund eligibility for cosmetic procedures has been subject to policy changes, and whether a quoted price includes VAT varies by clinic. Ask your clinic for its current rule at the time of booking rather than relying on this or any other article, and get consultation-fee and VAT treatment confirmed in writing alongside your itemized quote.

100 Units vs. 200 Units: How Dosing Is Decided
Most Korean clinics quote Traptox in round packages of 100 or 200 units total, split across both sides of the trapezius. It is tempting to treat 100 units as "the standard dose" and 200 as "the strong option," but published clinical protocols for trapezius contouring commonly describe far more modest per-side dosing — one widely cited five-point technique used 50 international units per side (100 units total) as a full treatment protocol, while other studies describe different point counts and per-point volumes depending on muscle size and toxin brand. In other words, 100 units is not automatically "half strength": for many patients it may already represent a complete, clinically studied dose, and 200 units is not automatically better — it may reflect larger muscle mass, a different brand's labeled unit potency, or a clinic's house protocol rather than a universally "stronger" result.
The number of units that makes sense for you depends on the size and thickness of your trapezius (often assessed by palpation or ultrasound), the degree of asymmetry between your two sides, the specific toxin brand being used, your aesthetic goal, and how your body responded to any previous toxin treatment. A muscle-size or ultrasound assessment during consultation, not a flat menu price, is what should ultimately set your unit count.
Why units are not comparable across brands
"Units" on a botulinum toxin label are brand-specific, not a universal measure like milliliters. A unit of one manufacturer's product is formulated and tested for that product's own dose-response curve; it is not automatically equal in strength to a unit from a different manufacturer. This is why the price table above lists brand alongside unit count for every row, and why you should never assume that "100 units" means the same thing across two different clinics unless the brand is also identical.
In practice, Korean clinics tend to offer a mix of domestically manufactured toxins (commonly labeled "Korean" on menus, at a lower price point) and imported toxins such as Xeomin from Merz (Germany), which is typically priced higher. Neither is inherently "better" in a blanket sense — they differ in manufacturing process, formulation, and price, and the right choice depends on your doctor's experience with that specific product and your own response history, if you have used toxin before. This article does not provide a unit-for-unit conversion table between brands, because no single, medically validated conversion ratio applies safely across all products and patients; ask your clinic to confirm both the brand name and the total unit count in writing on your quote, not just a number.

When Do Results Appear and How Long Do They Last?
Days 1–14: muscle activity changes, not visible contour change yet. Botulinum toxin's effect on nerve signaling generally begins within a few days and continues building over roughly two weeks, based on how the toxin is understood to act across muscle groups. You are unlikely to see a meaningfully different shoulder line in this window, even though the muscle is already less active.
Weeks 3–8: gradual softening begins. As the muscle is used less, it slowly begins to lose bulk. One study measuring trapezius thickness found statistically significant reductions from as early as four weeks after treatment, though the change at this stage is often described by patients as subtle rather than dramatic.
Around week 12: most noticeable change in one small study. In a study of 20 patients receiving bilateral, ultrasound-guided injections, the most obvious visible change in shoulder appearance was reported at roughly 12 weeks post-treatment, alongside continued statistically significant reductions in muscle thickness through 44 weeks. Separately, a 2025 imaging study using photographic surface-area analysis found reductions of around 29 percent at one month, sustained through three and six months. Measurable changes may appear from about four weeks; some studies report the most noticeable contour change around 12 weeks — timing varies by study protocol, toxin product, and individual, so treat 12 weeks as a general planning marker, not a guarantee.
How long it lasts. Duration is commonly cited in the 3-to-6-month range and depends on toxin brand and individual metabolism; one comparative study found that with one toxin type, thickness measurements at 12 months had largely returned toward baseline, while a different toxin type retained a statistically significant reduction at 12 months — a reminder that different brands are not interchangeable in duration, not just in unit pricing. Maintenance sessions, if desired, should be planned around your own observed duration rather than a fixed calendar assumption.
Patient satisfaction in the literature. In the 20-patient study above, 80 percent of patients reported being very satisfied and 15 percent relatively satisfied with their outcome, with 5 percent not satisfied — useful context, but drawn from a small clinical sample, not a guarantee of any individual result.
For a fair before/after comparison, ask your clinic to photograph you in the same posture, lighting, and clothing at each visit; shoulder position alone can make a trapezius look noticeably different between two photos taken on different days.
What the studies actually measured
| Study | Sample | Measured | Key finding |
|---|---|---|---|
| Imaging study, Plastic and Reconstructive Surgery Global Open, 2025 | 22 patients, bilateral trapezius hypertrophy | Photographic surface area + ultrasound thickness, 1/3/6 months | ~29% surface-area reduction at 1 month, sustained to 6 months; thickness significantly reduced through 6 months |
| Five-point injection study, Journal of Orthopaedic Surgery and Research, 2021 | 20 patients, bilateral, ultrasound-guided | Thickness at 4 weeks onward; appearance change; satisfaction | Significant thickness reduction from 4 weeks; most obvious appearance change ~12 weeks; 80% very satisfied |
| Journal of Cutaneous and Aesthetic Surgery, 2022 | Comparative, two toxin types | Thickness at 12 months | One toxin type showed near-baseline return by 12 months; the other retained a significant reduction |
Limits of this evidence
These are small clinical studies (20–22 patients each), not large trials, and none of them were conducted specifically at Jivaka partner clinics. Toxin products, injection technique, and measurement method differed between studies, so treat the timeframes above as a general planning guide from the closest available published evidence — not a personal prediction. Your own onset, peak, and duration should be discussed with your treating physician based on your dose, product, and individual response.

Side Effects, Functional Risks, and Who Should Be Cautious
Because the trapezius is a functional, load-bearing muscle, Traptox carries a different risk profile from facial Botox, and it deserves a direct conversation with your physician rather than being treated as a purely cosmetic line item. Reported effects in the literature and general botulinum toxin safety data include:
- Injection-site pain, redness, and bruising — common, temporary, and generally resolves within days.
- Temporary muscle weakness or heaviness in the shoulder or upper back, which can affect lifting, overhead reaching, or posture support while the toxin is active.
- Asymmetry if one side responds more strongly than the other — a reason to discuss a touch-up policy at consultation.
- Neck or shoulder fatigue during activities that rely heavily on the trapezius, especially in the first few weeks.
- Rare toxin spread beyond the injection site, which can affect nearby muscle function; anatomical studies of this region specifically highlight the importance of correct injection depth and site selection to avoid deeper neurovascular structures near the trapezius.
[MEDICAL REVIEW REQUIRED: emergency symptoms and when-to-contact-clinic guidance should be finalized by a licensed reviewer before publishing, rather than drafted here without clinical sign-off.]
Who should be cautious or discuss further before booking
A consultation-led decision matters more here than for most facial treatments, because your job and physical activity level directly interact with trapezius function. Discuss Traptox carefully, and expect your doctor to ask about the following before proceeding:
- Overhead athletes and lifters — swimmers, weightlifters, climbers, and similar sports rely heavily on trapezius strength and endurance; temporary weakening could affect performance during the treatment window.
- Physically demanding occupations — jobs involving repeated heavy lifting, carrying, or overhead work warrant a frank discussion of dosing and timing around your work schedule.
- Pre-existing shoulder or neck weakness, or a diagnosed neuromuscular condition — these should be disclosed and assessed before any booking.
- Pregnancy or breastfeeding — botulinum toxin is generally not recommended in these situations; discuss timing with a physician.
- Active infection or skin issues at the injection site.
- A history of an adverse reaction to a previous toxin treatment.
None of the above are automatic disqualifiers on their own — they are exactly the kind of factors a licensed physician should weigh with you individually, which is what your Jivaka consultation is for.
If your concern is not muscle bulk
Not every heavy-looking shoulder line is a muscle problem, so it is worth understanding what Traptox can and cannot address before booking.
| If the concern is mainly... | Traptox's role | Consider discussing instead |
|---|---|---|
| Muscle bulk from strength training or habitual tension | Directly relevant – this is the primary use case | — |
| Excess soft fat over the shoulders/upper back | Does not reduce fat | Body-contouring or fat-reduction options, assessed separately |
| Rounded posture or forward-leaning shoulders | Does not correct posture on its own | Physical therapy or postural training |
| Chronic neck/shoulder pain as the main goal | May help, but should be diagnosed and dosed as a medical case, not a cosmetic package | A pain-focused consultation — see Section 2 |
Many people have some combination of muscle bulk, soft tissue, and posture contributing to how their shoulder line looks, which is exactly why an in-person or photo-based consultation, rather than self-diagnosis from a search result, is the reliable way to plan.

Procedure and Aftercare for International Patients
Consultation and assessment. A physician examines and often palpates your trapezius on both sides, checks for asymmetry, discusses your occupation and exercise habits, and reviews any prior toxin treatments or shoulder issues.
Mapping and marking. Injection points are marked bilaterally, generally in the upper, most prominent part of the trapezius, staying away from deeper structures. Anatomical studies of this region emphasize careful site selection to keep injections in the safe zone of the muscle and avoid deeper neurovascular structures nearby.
Injection. Botulinum toxin is injected at multiple points per side; the number of points and volume per point vary by protocol, muscle size, and brand.
Observation and aftercare instructions. Most clinics ask you to stay seated briefly after injection and provide written aftercare guidance covering activity, massage, and heat exposure for the following days. Ask your clinic in advance whether a touch-up or asymmetry review is included if one side responds differently than the other, and get this in writing before you pay.
Fitting it into a Seoul trip. Traptox is a low-downtime, single-visit injection appointment, which makes it easy to fit into a short trip. A typical plan looks like: consultation and assessment on arrival day or the day before, injection at the same or a follow-up visit, then light activity for the rest of your stay. Most clinics advise against strenuous shoulder exercise, deep-tissue massage over the treated area, and prolonged heat exposure such as saunas for a period following injection — ask your clinic for its specific aftercare window in writing, since instructions vary by clinic and toxin brand. If you plan to combine Traptox with another treatment during the same trip, ask your provider directly whether same-day treatment is appropriate or whether it should be spaced out, rather than assuming any two treatments can be safely stacked.
Flying home. Air travel is not usually restricted solely because of the injection, unlike some more invasive procedures, but the treating clinic should confirm timing and a follow-up plan based on your individual case before you book your return flight.
How to Compare Traptox Clinics in Seoul
Because "100 units" can mean different things depending on the brand and the clinic, a like-for-like comparison needs more than a single number. Before you commit, ask each clinic to confirm, ideally in writing:
- The exact toxin brand name (not just "Korean" or "imported")
- Total units, and whether that figure is bilateral (both sides combined) or per side
- Whether the price covers the trapezius specifically, or is shared across a multi-area body Botox menu
- Who performs the injection, and their relevant experience with body/functional-muscle Botox
- Whether a touch-up is included if results are asymmetric
- What the follow-up and photo-documentation plan looks like
- Whether VAT is included in the quoted price
You can explore partner clinics on the Jivaka dermatology page. If your interest extends beyond Botox to surgical shoulder or body contouring, the Jivaka plastic surgery page is a good starting point.
Frequently Asked Questions
Should I choose 100 units or 200 units of Traptox?
There is no single correct answer that applies to every body. Published trapezius-contouring protocols have used doses in this general range depending on muscle size, brand, and technique, so 100 units is not automatically a "lighter" option and 200 is not automatically "stronger" in a way that suits everyone. A physician should assess your trapezius size and goals directly before recommending a unit count.
Will Traptox make my shoulders weak?
Some temporary reduction in trapezius strength or a feeling of heaviness is a recognized possibility, since the treatment works by reducing muscle activity. For most people with average activity levels this is manageable, but if your work or sport depends on shoulder and neck load-bearing, discuss this directly with your doctor before booking, since the degree of functional change can vary by dose and individual.
When can I work out after Traptox?
Clinics generally recommend avoiding strenuous shoulder or upper-back exercise for a period after injection, but exact timing varies by clinic and by how much of your training relies on the trapezius. Ask your provider for a specific, written return-to-exercise timeline rather than relying on a general rule.
Does Traptox fix neck or shoulder pain?
Botulinum toxin injected into the trapezius is used medically for muscle-tension pain, and some cosmetic patients notice less tightness as a secondary benefit. However, cosmetic Traptox packages are planned around shoulder-line appearance, not a pain diagnosis. If pain relief is your main goal, ask your clinic to treat it as a medical case with its own assessment, rather than booking a cosmetic package and hoping for pain relief as a byproduct.
How long do Traptox results last?
Duration is commonly cited in the range of about three to six months, though this varies by toxin brand and by individual metabolism. Some published data suggests certain toxin types may retain more effect at the 12-month mark than others, which is one more reason to confirm the exact brand used in your treatment and discuss a realistic maintenance schedule with your doctor.
Can asymmetry between my two shoulders be treated?
Pre-existing asymmetry can often be factored into initial dosing, and post-treatment asymmetry, if one side responds more than the other, may sometimes be adjusted with a touch-up. Ask about your clinic's specific asymmetry and touch-up policy before you book, and get it in writing.
Can I fly home right after getting Traptox?
Traptox does not typically carry the same travel restrictions as more invasive procedures, but you should confirm your individual aftercare and any activity restrictions with your treating physician, since instructions can vary by clinic.
Get an Itemized Traptox Quote Before You Book
Send us your occupation or sport, any shoulder or neck symptoms, prior toxin history, and travel dates. A Jivaka coordinator will help you compare itemized quotes across Seoul clinics and match you with a licensed physician, at no cost.
Book a Free Online Consultation- Efficacy and Safety of Incobotulinumtoxin-A for Trapezius Muscle Reduction: Quantitative Evaluation With Imaging Studies, Plastic and Reconstructive Surgery Global Open, 2025: pubmed.ncbi.nlm.nih.gov
- Ultrasound-guided five-point injection of botulinum toxin for patients with trapezius hypertrophy, Journal of Orthopaedic Surgery and Research, 2021: pmc.ncbi.nlm.nih.gov
- Incobotulinum Toxin A with a One-year Long-lasting Effect for Trapezius Contouring and Superior Efficacy for the Treatment of Trapezius Myalgia, Journal of Cutaneous and Aesthetic Surgery, 2022: pmc.ncbi.nlm.nih.gov
- Botulinum Toxin Injection-Site Selection for a Smooth Shoulder Line: An Anatomical Study, BioMed Research International, 2017: pmc.ncbi.nlm.nih.gov
- Aesthetic reconstruction of bilateral trapezius hypertrophy with botulinum toxin type A, Aesthetic Plastic Surgery: link.springer.com
- Jivaka product export snapshot, inspected 2026-08-20 (internal pricing data, Status=active rows only)
Medical disclaimer: This article is for general information only and is not medical advice. Individual results vary and no specific outcome, duration, or degree of shoulder-line change is promised. Trapezius Botox affects a functional muscle and is not suitable for everyone, particularly those whose occupation or sport depends heavily on shoulder and neck strength. Always consult a licensed physician to determine whether Traptox is appropriate for you, and disclose your full medical history, occupation, and activity level at consultation.
