Gangnam
Dr. Yoon-Gon Ryu
Aesthetic Medicine Specialist
Flagship clinic · KOL for leading lifting & regenerative devices · Featured in Authority Magazine (2026)
Necklace lines respond to precise botulinum toxin type A placement across the 2 to 4 vertical platysmal bands, so clinic choice comes down to injector skill, anatomy knowledge, and honest assessment.
To choose a good necklace lines clinic in Seoul, look for doctor-led botulinum toxin type A injections, clear assessment of whether your neck lines are dynamic platysmal bands or static skin creases, transparent dosing, and English support. The right fit is a clinic that maps your platysma precisely, not one making bold outcome promises.
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Necklace lines are the horizontal and vertical creases that appear across the neck, and choosing the right clinic in Seoul starts with understanding which type you have. The vertical cords that stand out when you tense the neck are platysmal bands, caused by the wide, sheet-like platysma muscle. These dynamic bands respond well to botulinum toxin type A, which relaxes the muscle so the cords soften. Horizontal necklace lines, by contrast, are often static skin creases and may call for other approaches such as skin boosters rather than toxin alone.
Because the two are treated differently, a good clinic assesses your neck at rest and in movement before recommending anything. Botulinum toxin type A works by temporarily blocking the nerve signal that makes the platysma contract, and the placement is delicate: the neck has swallowing and speaking muscles nearby, so precise, shallow injections matter. This is why injector experience and anatomy knowledge are the most important things to check when comparing clinics.
At Reberry Clinic, necklace lines care is consultation-led and delivered by the clinic’s doctors, with English-speaking support for international patients across our Seoul locations (Gangnam, Myeongdong). Cost is discussed transparently after assessment rather than quoted as a single fixed figure, because the number of bands and units needed varies from person to person.
Botulinum toxin type A is a neuromodulator: it temporarily blocks acetylcholine release at the neuromuscular junction, so the treated platysma muscle relaxes and the vertical band flattens. For necklace lines, small aliquots are placed along each visible band while the patient gently contracts the neck, so the injector can see exactly where the cord is at its strongest. Because the platysma is a broad, superficial muscle, injections are kept shallow and evenly spaced, typically several points down each of the 2 to 4 bands. A clinic worth choosing will explain this mapping rather than inject a fixed pattern for everyone. The effect is gradual: neck bands soften over roughly 1 to 2 weeks as the muscle quiets, and results usually last about 3 to 4 months before a maintenance session is considered. Dosing is conservative in the neck to protect nearby muscles used for speaking and swallowing, so a careful clinic prioritises accuracy over quantity. This is generic botulinum toxin type A; a responsible clinic discusses the toxin category and your suitability, never overselling a specific outcome.
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The doctor examines your neck at rest and during contraction to identify how many of the 2 to 4 platysmal bands are dynamic and toxin-responsive.
Injection points are marked along each visible band, usually 4 to 6 points spaced down the cord, so botulinum toxin type A is placed where the muscle pulls hardest.
Small, shallow aliquots are placed with fine needles, and the total dose is kept conservative to protect nearby muscles used for speaking and swallowing.
The bands soften gradually over about 1 to 2 weeks as the platysma relaxes, so a good clinic schedules any review after this window, not sooner.
Because results last about 3 to 4 months, the clinic advises when a follow-up session may be useful rather than promising a permanent change.
See representative outcomes from Reberry Clinic. Results build gradually and vary by individual; your plan is assessed at consultation.
The clinic’s doctors assess your neck, confirm which of the 2 to 4 bands are dynamic, and explain the plan and cost transparently in English.
Treatment is quick, often around 10 to 15 minutes, using fine needles placed along each mapped platysmal band.
Botulinum toxin type A takes effect gradually, with neck bands softening over about 1 to 2 weeks rather than immediately.
Softened bands typically last about 3 to 4 months, after which the doctor advises whether a maintenance session is useful.
Avoid rubbing the neck for the first several hours and follow simple aftercare, and plan periodic reviews since the effect is temporary.
Choose a clinic where a doctor assesses your neck at rest and in movement, separates dynamic platysmal bands from static creases, and maps injections to your anatomy. Precise, conservative dosing and honest expectation-setting matter more than bold claims. You can start on our botox injection page.
Necklace lines have two causes. Vertical cords come from the platysma, a broad neck muscle whose bands stand out when you tense, and these respond to botulinum toxin type A. Horizontal lines are often static skin creases at rest, which usually need skin-quality care rather than toxin, so a good clinic distinguishes the two first.
Botulinum toxin type A suits dynamic vertical platysmal bands, the cords that appear when you tense the neck. It is less useful for fine horizontal creases at rest, which respond better to skin boosters. A consultation confirms which type you have, so treatment matches the actual problem rather than a one-size approach.
Discomfort is usually mild because injections use very fine needles and take only minutes. Most patients describe brief tiny pinches along each band. A topical numbing option can be used if you are sensitive. Because the neck is a delicate area, an experienced injector keeps the technique shallow and precise for comfort and safety.
Downtime is usually minimal, and most people return to normal activities the same day. You may notice tiny temporary marks or slight tenderness at injection points for a short while. Avoid vigorous neck massage or intense exercise for the first several hours so the toxin settles precisely where it was placed.
Neck bands soften gradually over about 1 to 2 weeks as the platysma relaxes, not immediately after the session. A good clinic schedules any review after this window. If bands are still prominent at that point, the doctor can assess whether a small touch-up is appropriate for your anatomy.
Results typically last about 3 to 4 months, after which the effect gradually wears off and the bands slowly return. This is normal for botulinum toxin type A, which is temporary rather than a one-time fix. Your doctor advises when a maintenance session makes sense based on how your neck responds.
Yes, necks with both dynamic bands and static skin creases often do best with a combined plan. Toxin softens the muscle cords while skin boosters improve crease texture. Your doctor sequences these appropriately. You can explore related options via our injection treatment page.
Neck botulinum toxin type A is widely performed and generally considered safe when an experienced doctor uses conservative, precisely placed doses. The neck sits near speaking and swallowing muscles, so accuracy protects them. A consultation reviews your health history first. See how we approach it on our botox injection page.
Ask about temporary bruising, tenderness, and, rarely, weakness of nearby neck muscles affecting swallowing if placement is imprecise. Reputable clinics discuss these openly rather than claiming none exist. Reviews report most facial toxin effects are mild and transient. Choosing a skilled injector is the main way to keep risks low.
One session usually addresses the visible bands, and results are then reviewed after about 2 weeks. Some patients benefit from a small touch-up. Because the effect is temporary, ongoing maintenance every few months keeps bands soft. Your doctor tailors the schedule rather than committing you to a fixed package upfront.
Neither alone is a good guide. Neck dosing should be conservative and precise, so more units is not better and can risk nearby muscles. The lowest price may skip proper assessment. Prioritise a doctor who maps your bands and explains cost honestly. Learn our approach on the botox injection page.
Most healthy adults with dynamic vertical platysmal bands are suitable candidates. Those who are pregnant, breastfeeding, or have neuromuscular conditions are not. A consultation confirms whether your neck lines are muscular and toxin-responsive, so you avoid paying for a treatment that does not match your specific type of neck line.
Keep the neck upright and avoid rubbing or massaging the area for the first several hours, and skip intense exercise the same day. Simple sun protection and gentle skincare support the neck overall. Your doctor gives tailored aftercare, and you can maintain skin quality with a skin care routine.
A short stay of 1 to 2 days is comfortable for a first visit, allowing a consultation, the treatment, and time to ask questions. Because results build over 1 to 2 weeks, many international patients travel home and follow up remotely. Our English-speaking team helps coordinate timing around your trip.
Yes, flying within a day is generally fine, since the injections are minimally invasive. Avoid rubbing the neck and stay upright for the first few hours, which is easy during travel. Cabin air is drying, so moisturise and protect your skin. Your doctor gives specific guidance based on your session.
International patients can have their result reviewed remotely in English after about 2 weeks, and plan a maintenance visit on a future trip. The clinic keeps your treatment notes for continuity. You can also maintain overall neck skin quality at home with a supportive skin care routine between visits.
| Botulinum Toxin for Bands | Skin Boosters for Creases | Combined Neck Plan | |
|---|---|---|---|
| Mechanism | Relaxes dynamic platysmal muscle bands | Hydrates and improves static skin-crease quality | Toxin for bands plus boosters for skin texture |
| Best for | Vertical cords that appear on neck tensing | Fine horizontal necklace creases at rest | Necks with both dynamic bands and skin creases |
| Comfort | Quick, fine-needle injections along the bands | Multiple micro-injections across the neck | Two techniques combined in a planned sequence |
| Downtime | Usually minimal, brief tiny marks possible | Minimal, occasional temporary bumps | Minimal but slightly more depending on scope |
| Results timeline | Bands soften over 1 to 2 weeks | Skin quality improves gradually over weeks | Bands first, then skin quality over the plan |
| Longevity | Temporary, about 3 to 4 months | Gradual and modality-dependent | Layered, reviewed across follow-up visits |
| Cost factors | Depends on number of bands and units | Depends on sessions and product used | Highest, since it combines approaches |
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