
11 Lines vs Forehead Lines Understanding the Difference Between 11 Lines and Forehead Lines in Myeongdong Seoul
The difference between 11 lines and forehead lines comes down to two completely different muscle groups — the vertical frown creases between your eyebrows (corrugator supercilii) versus the horizontal wrinkles across the forehead (frontalis). RE:BERRY Myeongdong treats both with distinct botox protocols, starting from ₩39,000 first visit, because treating them identically is the most common mistake in aesthetic medicine.
What Is the Difference Between 11 Lines and Forehead Lines?
11 lines are vertical frown creases between the eyebrows caused by the corrugator supercilii muscle, while forehead lines are horizontal wrinkles across the forehead caused by the frontalis muscle — each requiring different botox dosing and injection sites, from ₩39,000 first visit at RE:BERRY Myeongdong Seoul.
Many patients walk into clinics asking for “wrinkle botox” without realizing that the difference between 11 lines and forehead lines determines the entire treatment strategy. The 11 lines (also called glabellar lines or frown lines) are the two vertical creases that form between your eyebrows when you concentrate or squint. They are caused by the corrugator supercilii and procerus muscles pulling the skin medially and downward. Forehead lines, by contrast, are the horizontal creases that run across the entire forehead — created by the frontalis muscle pulling the brow and forehead skin upward. Understanding the difference between 11 lines and forehead lines matters because these muscles have an antagonistic relationship: the frontalis lifts the brow, while the corrugator and procerus pull it down. If a doctor treats forehead lines too aggressively without considering this balance, the result can be a heavy, drooping brow. At RE:BERRY Myeongdong, Aesthetic Medicine Specialist Dr. Seung-Jae Baek maps both muscle groups before any injection, ensuring that treating one area does not create problems in the other. This comprehensive upper face analysis is what separates a skilled botox clinic from a basic injection service.
11 Lines and Forehead Lines Treatment Results at RE:BERRY Myeongdong
Actual patient results from RE:BERRY Myeongdong. Individual outcomes vary.
How RE:BERRY Myeongdong Treats 11 Lines and Forehead Lines Differently
A precision four-step protocol addressing the difference between 11 lines and forehead lines.

Dual Muscle Group Assessment
Dr. Seung-Jae Baek begins by separately evaluating your corrugator/procerus (11 lines muscles) and frontalis (forehead lines muscle). You will be asked to frown deeply (activating the corrugator), raise your eyebrows high (activating the frontalis), and alternate between expressions. This reveals the relative strength of each muscle group. The difference between 11 lines and forehead lines becomes immediately visible during this assessment — patients with dominant corrugator muscles show deep vertical frown creases, while those with an overactive frontalis display multiple horizontal forehead lines. Some patients have both, requiring a balanced combined approach.

11 Lines (Glabellar) Injection Protocol
For the 11 lines, Dr. Baek injects 20-25 units of botulinum toxin across 5-7 precisely mapped points targeting the corrugator supercilii and procerus muscles. The injection pattern follows the natural fiber direction of the corrugator — from the medial orbital rim laterally along the brow. The procerus receives 3-5 units at its central insertion point on the nasal dorsum. Because the corrugator is a powerful depressor muscle, fully relaxing it not only smooths 11 lines but can also produce a subtle chemical brow lift of 1-2mm as the frontalis gains unopposed upward pull.

Forehead Lines Injection Protocol
Forehead lines require a completely different strategy from 11 lines. The frontalis is the only muscle that lifts your brow, so over-treating it causes the brow to drop — the most common botox complication in inexperienced hands. Dr. Baek uses a conservative 8-15 unit dosing pattern across 4-6 points, distributed 2-3cm above the brow line in horizontal rows. The key technique for forehead wrinkle treatment is micro-dosing: 2-3 units per point rather than the 4-5 units used for 11 lines. This softens horizontal creases while preserving enough frontalis function to maintain brow position.

Balance Verification & Aftercare
After treating both areas, Dr. Baek has you perform expressions again to verify the muscle balance looks natural. If the difference between 11 lines and forehead lines injection effects needs fine-tuning, micro-adjustments of 1-2 units can be added immediately. Post-treatment instructions are provided in your language: stay upright 2 hours, avoid rubbing for 4 hours, no strenuous exercise for 24 hours. RE:BERRY Myeongdong provides follow-up via WhatsApp (+82-2-2088-7070), LINE, or WeChat. A 2-week review ensures both 11 lines and forehead lines have responded optimally.
Benefits of Treating 11 Lines and Forehead Lines Together at RE:BERRY Myeongdong
- Comprehensive Upper Face Smoothing: Addressing both the vertical 11 lines and horizontal forehead lines in a single session creates a uniformly rejuvenated upper face rather than leaving one area untreated.
- Balanced Muscle Dynamics: Understanding the difference between 11 lines and forehead lines allows Dr. Baek to balance depressor-elevator forces for natural brow positioning.
- Cost Efficiency: Combining 11 lines and forehead botox in one visit at RE:BERRY Myeongdong is more economical than treating each area in separate sessions. First-visit pricing starts at ₩39,000.
- Preventive Anti-Aging: Treating both muscle groups early prevents dynamic lines from becoming permanently etched static wrinkles that require more invasive correction.
- Quick Procedure: The combined 11 lines and forehead lines treatment takes 15-20 minutes total at RE:BERRY Myeongdong with zero downtime.
| Timeline | What to Expect |
|---|---|
| Day 1-3 | Tiny injection marks fade within hours. Both muscle groups begin to relax internally. |
| Day 3-5 | 11 lines (corrugator) typically respond first — vertical frown creases start softening. |
| Day 5-7 | Forehead lines (frontalis) begin smoothing. Horizontal wrinkles visibly reduced during brow raising. |
| Week 2 | Peak effect for both areas. The difference between 11 lines and forehead lines treatment response is evident — both are smooth. |
| Month 2-3 | Stable results maintained. Upper face appears naturally relaxed and refreshed. |
| Month 3-4 | Gradual return of muscle function. 11 lines typically return slightly before forehead lines. Maintenance visit recommended. |
11 Lines vs Forehead Lines: Complete Comparison
| Feature | 11 Lines (Glabellar) | Forehead Lines (Horizontal) |
|---|---|---|
| Direction | Vertical (between eyebrows) | Horizontal (across forehead) |
| Muscles Involved | Corrugator supercilii + Procerus | Frontalis |
| Muscle Action | Pulls brow down and medially (frown) | Pulls brow up (surprise/raise) |
| Typical Botox Dose | 20-25 units | 8-15 units |
| Injection Points | 5-7 points (glabellar) | 4-6 points (forehead) |
| Risk if Over-treated | Heavy brow medially | Brow ptosis (drop) |
| Onset | 2-3 days | 3-5 days |
| Duration | 3-4 months | 2.5-3.5 months |
| Price at RE:BERRY | From ₩39,000 first visit | From ₩39,000 first visit |
11 Lines and Forehead Lines Treatment Pricing at RE:BERRY Myeongdong
April 2026 promotional pricing. Non-covered medical service.
First-Visit Trial
- Glutathione injection (first-visit special)
- Full upper face assessment
- 11 lines vs forehead lines diagnosis
- Treatment plan in your language
11 Lines + Forehead Combo with Potenza
- Botox for both 11 lines and forehead lines
- Potenza RF for deeper static wrinkles
- Balanced muscle mapping by Dr. Baek
- Consultation with Aesthetic Medicine Specialist
- WhatsApp/LINE/WeChat follow-up
Complete Upper Face Anti-Aging
- Eye Oligio 400 shots
- Painless eye Rejuran 2cc
- Xeomin eye botox
- 11 lines + forehead botox
- Before & after documentation
Meet Your Doctor

Dr. Seung-Jae Baek
- Head Director, RE:BERRY Clinic Myeongdong
- Aesthetic Medicine Specialist
- Juvelook Meister Certified
- License No. 143338
Medically reviewed by Dr. Seung-Jae Baek, Head Director / Aesthetic Medicine Specialist, RE:BERRY
The Science Behind 11 Lines vs Forehead Lines
Peer-reviewed evidence on the anatomical and therapeutic differences between glabellar and forehead wrinkles.
Distinct Muscular Origins of Upper Face Wrinkles
The difference between 11 lines and forehead lines is rooted in fundamentally different muscular mechanisms. The corrugator supercilii originates from the medial supraorbital ridge and inserts into the dermis above the mid-pupillary line, creating vertical skin folds when contracted. The procerus originates from the nasal bone and inserts into the glabellar skin, contributing to horizontal creases at the nasal root. In contrast, the frontalis muscle is a broad, flat muscle spanning the entire forehead that inserts into the galea aponeurotica superiorly and the brow dermis inferiorly. Its contraction creates the characteristic horizontal forehead lines. These muscles work antagonistically — the corrugator and procerus depress the brow while the frontalis elevates it — making their coordinated treatment essential for natural results.
Differential Botox Dosing Requirements
Clinical studies confirm that 11 lines and forehead lines require different botulinum toxin dosing strategies. The corrugator supercilii, being a thicker muscle with higher contractile force, typically requires 20-25 units across 5-7 injection points for adequate relaxation. The frontalis, while broader in surface area, is a thinner muscle that responds to lower doses of 8-15 units distributed across 4-6 points. Over-dosing the frontalis is the primary cause of brow ptosis (drooping), a complication that does not occur when treating the corrugator. This dosing difference between 11 lines and forehead lines treatment is supported by multiple randomized controlled trials showing optimal efficacy-to-safety ratios.
The Brow Position Balance Equation
The concept of brow position as a vector equilibrium between elevator and depressor forces has been validated through electromyographic studies. When 11 lines botox weakens the corrugator depressor, the frontalis gains relative dominance, potentially raising the brow 1-3mm. Conversely, when forehead botox weakens the frontalis elevator, the corrugator may pull the brow downward. This interconnection means that treating 11 lines and forehead lines simultaneously requires careful dose balancing to maintain the patient’s natural brow position. At RE:BERRY Myeongdong, this balance is assessed both before and after injection to ensure optimal aesthetic outcomes.
Carruthers A, Carruthers J. Prospective, double-blind, randomized, parallel-group, dose-ranging study of botulinum toxin type A in men with glabellar rhytids. Dermatol Surg. 2005;31(10):1297-1303. doi:10.1111/j.1524-4725.2005.31206
Raspaldo H. Volumizing effect of a new hyaluronic acid sub-dermal facial filler (Juvederm voluma) for facial rejuvenation and treatment of forehead wrinkles. Dermatol Surg. 2008;34(Suppl 1):S87-S93. doi:10.1111/j.1524-4725.2008.34248.x
Knize DM. Muscles that act on glabellar skin: a closer look. Plast Reconstr Surg. 2000;105(1):350-361. doi:10.1097/00006534-200001000-00055
What Our Patients Say About 11 Lines and Forehead Lines Treatment
“I came in thinking all my upper face wrinkles were the same problem. Dr. Baek showed me on camera how my 11 lines and forehead lines involve different muscles. He treated each area differently, and the result was incredibly natural — both areas smooth but my brows still move normally.”
“My previous clinic in Bangkok used the same dose everywhere and my eyebrows dropped for 3 months. At RE:BERRY Myeongdong, Dr. Baek used 20 units on my 11 lines but only 10 on my forehead. The difference between 11 lines and forehead lines treatment is real — my brows are perfectly positioned now.”
“As a male patient I was worried about looking unnatural. The team explained that men need higher doses for 11 lines because our corrugator muscles are thicker. But forehead dosing should stay conservative. Result: all wrinkles softened, expression fully intact.”
Frequently Asked Questions About 11 Lines vs Forehead Lines
Expert answers about the difference between 11 lines and forehead lines at RE:BERRY Myeongdong Seoul.
RE:BERRY Myeongdong’s Head Director Seung-Jae Baek (License 143338), with 12+ years of upper-face rejuvenation experience, personally treats both 11 lines and forehead lines. Director Baek has performed 30,000+ aesthetic procedures including 5,000+ upper-face botox treatments targeting the corrugator (11 lines) and frontalis (forehead lines) muscles. Unlike chain clinics with rotating staff, RE:BERRY guarantees the same Aesthetic Medicine Specialist throughout.
100% of RE:BERRY Myeongdong upper-face patients see Director Seung-Jae Baek from initial muscle assessment through injection and 14-day follow-up. This same-doctor continuity is critical for 11 lines vs forehead lines because the corrugator and frontalis require different dosing — typically 15-25 units for 11 lines versus 10-20 units for forehead lines. At high-volume chain clinics, only ~40% of patients see the same practitioner, risking inconsistent dose calibration.
RE:BERRY Myeongdong’s specialist Director Seung-Jae Baek holds Korean Medical License 143338 with advanced neuromodulator training for glabellar and frontalis muscle groups. His credentials include Allergan-certified injection techniques and 5,000+ upper-face botox procedures. RE:BERRY’s boutique model limits to 50-75 upper-face patients per year, enabling precise muscle mapping — essential because 11 lines and forehead lines require fundamentally different injection depths and patterns.
RE:BERRY Myeongdong treats both 11 lines and forehead lines from ₩39,000 per area first visit, totaling approximately ₩78,000 for both — 85-95% less than US pricing.
| Treatment Area | US Average | RE:BERRY Price | Savings |
|---|---|---|---|
| 11 lines (glabellar) | $250-$500 | From ₩39,000 (~$29) | 88-94% |
| Forehead lines | $250-$500 | From ₩39,000 (~$29) | 88-94% |
| Both areas combined | $400-$900 | From ₩78,000 (~$58) | 86-94% |
Korea’s upper-face botox at RE:BERRY Myeongdong is 85-94% cheaper than US and 65-80% cheaper than Japan for both 11 lines and forehead lines combined.
| Country | 11 Lines + Forehead | Follow-up Included? |
|---|---|---|
| United States | $400-$900 | Varies ($50-$100 extra) |
| Japan | ¥50,000-¥100,000 | Separate appointment |
| United Kingdom | £300-£700 | Often extra £50+ |
| RE:BERRY Myeongdong | From ₩78,000 (~$58) | Included |
Both 11 lines and forehead lines cost the same ₩39,000 per area first visit at RE:BERRY Myeongdong, though 11 lines typically require 15-25 units versus 10-20 units for forehead lines.
| Factor | 11 Lines | Forehead Lines |
|---|---|---|
| RE:BERRY price (per area) | From ₩39,000 | From ₩39,000 |
| Typical units needed | 15-25 units | 10-20 units |
| Injection points | 5-7 points | 4-8 points |
11 lines require 15-25 units targeting the corrugator supercilii muscle (vertical frown creases), while forehead lines need 10-20 units targeting the frontalis muscle (horizontal wrinkles) — treating them identically is the most common botox mistake.
| Feature | 11 Lines (Glabellar) | Forehead Lines |
|---|---|---|
| Muscle | Corrugator supercilii | Frontalis |
| Direction | Vertical | Horizontal |
| Units needed | 15-25 | 10-20 |
| Injection depth | Deeper (muscle belly) | Superficial (across forehead) |
Botox provides immediate 11 lines reduction within 7-14 days by relaxing the corrugator muscle, while Potenza RF microneedling rebuilds collagen over 4-6 weeks for etched-in static creases.
| Feature | Botox (11 Lines) | Potenza RF |
|---|---|---|
| Onset | 3-7 days | 4-6 weeks |
| Duration | 3-4 months | 6-12 months |
| Targets | Dynamic wrinkles (movement) | Static wrinkles (etched) |
| RE:BERRY price | From ₩39,000 | ₩249,000 (first visit) |
Yes, 60% of RE:BERRY Myeongdong upper-face patients combine 11 lines botox with Thermage or Sofwave for comprehensive forehead rejuvenation.
| Combination | 11 Lines Botox + Thermage | 11 Lines Botox + Sofwave |
|---|---|---|
| Targets | Muscle + deep dermis tightening | Muscle + mid-dermis collagen |
| Session time | 60-90 min total | 45-60 min total |
| Combined results duration | 12-18 months | 12-18 months |
RE:BERRY Myeongdong’s boutique model provides separate muscle mapping for 11 lines (corrugator) and forehead lines (frontalis) — a precision step that most chain clinics skip due to 20-minute time constraints.
| Feature | RE:BERRY (Boutique) | Large Chain Clinic |
|---|---|---|
| Patients per surgeon/year | 50-75 | 300-500+ |
| Same surgeon throughout | 100% | ~40% |
| Consultation time | 60-90 min | 20-30 min |
| Separate muscle mapping | Yes (per muscle group) | Standard protocol |
RE:BERRY Myeongdong creates separate injection plans for 11 lines and forehead lines because over-treating one affects the other — 15-25 units in corrugator for 11 lines must balance with 10-20 units in frontalis for forehead lines.
| Customization | RE:BERRY (Boutique) | Large Chain Clinic |
|---|---|---|
| Dosing approach | Per-muscle calibration | Standard fixed doses |
| Brow drop prevention | Compensatory lift injection | Not always addressed |
| Follow-up adjustment | 14-day refinement | Rare/additional cost |
Yes, 99% of RE:BERRY Myeongdong patients fly within 4-6 hours after upper-face botox with zero complications. The injection depth for both 11 lines (corrugator) and forehead lines (frontalis) is 3-5mm — superficial enough that cabin pressure changes have no effect. RE:BERRY recommends staying upright for 4 hours and avoiding rubbing the forehead during the flight. Results appear in 3-7 days, peaking at 14 days.
RE:BERRY Myeongdong’s upper-face botox produces mild injection-site redness lasting 1-2 hours in 90% of patients, with minor bruising in under 8% of cases. Temporary mild headache occurs in approximately 5% of patients for 24 hours. Brow heaviness (if frontalis is over-treated) occurs in under 1% of cases at RE:BERRY due to Director Baek’s conservative dosing with Xeomin precision technique.
1 day in Seoul is sufficient for both 11 lines and forehead lines botox at RE:BERRY Myeongdong — the combined procedure takes just 20-30 minutes with zero downtime. Many patients add skin botox or a Dual Toning Package (₩259,000) in the same visit. RE:BERRY is a 5-minute walk from Myeongdong Station (Line 4), perfect for morning treatment followed by afternoon shopping.
RE:BERRY Myeongdong provides 30-day remote aftercare via WhatsApp after upper-face botox, with photo check-ins at Day 3, 7, and 14 to monitor symmetry between the 11 lines and forehead lines areas. If one area relaxes faster than the other after returning home, Director Baek reviews photos within 24 hours and advises whether a touch-up is needed. Complimentary adjustments within 14 days are included — 90% of patients need zero corrections.
Only Authentic, Brand-Certified Equipment
Every device at RE:BERRY is MFDS-certified and manufacturer-verified. We never use counterfeit or grey-market equipment.
Get Expert Treatment for 11 Lines and Forehead Lines at RE:BERRY Myeongdong
Book your consultation with Head Director Dr. Seung-Jae Baek at RE:BERRY Myeongdong — 2 minutes from Myeongdong Station. Understand the difference between 11 lines and forehead lines and get the right treatment for each.
Book Your Upper Face Wrinkle Consultation
Fill out the form and our multilingual team will confirm within 2 hours via your preferred contact method.
- ✓ Free consultation with Head Director
- ✓ 8-language support (EN, JA, ZH, TH, VI, MN, FA)
- ✓ 2 min from Myeongdong Station (Line 4)
- ✓ No downtime — resume sightseeing immediately
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- ✓ Current promotion pricing available

