SoHo Men's Health — New York City
Letybo
The next generation
of neurotoxin has arrived
FDA-approved and trusted internationally, Letybo® delivers refined, natural-looking results tailored to male facial anatomy.
#1 Neurotoxin
LETYBO
The New Generation
of Neurotoxin
FDA-approved and widely used across South Korea and Asia for over a decade, Letybo is now available at SoHo Men's Health. Board-certified Dr. Kerem H. Bortecen delivers precise, natural-looking results designed specifically for male facial anatomy.
WHAT IS LETYBO?
Modern Neurotoxin. Natural Results.
Letybo® (letibotulinumtoxinA-ltbc) is a purified botulinum toxin developed by Hugel, one of South Korea's leading biotechnology companies. Like other neurotoxins, Letybo temporarily relaxes the facial muscles responsible for dynamic wrinkles, including:
- — forehead lines
- — frown lines
- — crow's feet
What sets Letybo apart is its ultra-pure formulation, consistency, and natural-looking finish.
Letybo Treats
Every Letybo Treatment at SoHo Men's Health
Is Tailored to Your Anatomy
Dr. Bortecen at SoHo Men's Health designs every Letybo protocol around the individual — assessing facial muscle strength, skin quality, and aesthetic goals before placing a single injection. These are the three primary areas most commonly treated with Letybo for men.
Forehead Lines
& Frown Lines
Smooth horizontal forehead lines and the vertical "11 lines" between the brows caused by repeated muscle movement and expression.
Crow's Feet
& Brow Lifting
Softens fine lines around the eyes while creating a subtle, natural-looking brow lift that maintains masculine facial structure.
Jaw Slimming,
Neck Bands & Lip Lines
Advanced treatment areas include jawline slimming, neck bands, and fine lip lines — all performed with a precise, anatomy-focused approach tailored to male facial aesthetics.
WHY LETYBO?
Why Patients Are
Choosing Letybo
Natural-Looking Results
Designed to soften lines while preserving natural facial movement and masculine character.
Korean Aesthetic Innovation
Widely used across South Korea and Asia for years before receiving FDA approval in the United States.
Precision & Consistency
Letybo's purification process produces highly consistent results across treatments.
Physician-Performed
Every treatment is performed personally by Dr. Bortecen.
Neurotoxin Treatment for Men
Male facial anatomy requires a different approach to neurotoxin treatment. Men typically have a stronger forehead muscle, heavier brow structure, different facial balance goals. Dr. Bortecen tailors every Letybo treatment to preserve masculine features while creating a more rested, refreshed appearance.
THE EXPERIENCE
What to Expect
Consultation
A personalized assessment and treatment plan based on your facial anatomy and goals.
Treatment
Treatment typically takes 20–30 minutes using ultra-fine needles with minimal discomfort.
Results
Results begin appearing within several days, with full effect visible in 1–2 weeks. Most patients maintain results every 3–4 months.
Expected Outcomes
What Results Can I Expect
From Letybo at SoHo Men's Health?
SoHo Men's Health
The Letybo
Experience
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Real Results
Before & After Letybo
at SoHo Men's Health
Results from an actual patient treated by Dr. Bortecen at SoHo Men's Health. Individual results may vary.
Results from Letybo treatment performed personally by board-certified Dr. Kerem Bortecen at SoHo Men's Health, NYC. Individual results may vary.
Why Letybo
Treatment Resistance: Why Consistency Matters
Some patients notice their neurotoxin treatments wear off faster over time, or don't achieve the same results despite consistent dosing. This is treatment resistance—a gradual loss of effectiveness that can develop after years of repeated injections with certain formulations, including Botox and other traditional neurotoxins.
Research indicates that formulations containing complexing proteins—like Botox—may increase the risk of antibody formation over repeated treatments. Because Letybo is manufactured using Hugel's proprietary purification process—producing an ultra-pure toxin without accessory proteins—it may offer a significantly lower risk of treatment resistance compared to protein-heavy alternatives. This means Letybo could maintain consistent, predictable results year after year, a clinical advantage for patients committed to long-term treatment who want to avoid the diminishing returns that sometimes occur with Botox.
More Real Results








All results from Letybo treatments performed by board-certified Dr. Kerem Bortecen at SoHo Men's Health, NYC. Individual results may vary.
Your Provider
Why Choose Dr. Bortecen
for Your Letybo Treatment?
A neurotoxin is only as precise as the hands administering it. At SoHo Men's Health, every Letybo injection is performed personally by board-certified Dr. Kerem Bortecen — a physician with deep expertise in male facial anatomy and aesthetic medicine. Dr. Bortecen does not delegate Letybo treatments to nurses or aestheticians. Every session begins with his direct clinical assessment and ends with his hands.
Dr. Bortecen understands that male patients seeking Letybo at SoHo Men's Health want results that are effective but invisible — improvement that reads as health and vitality, not as treatment. His Letybo protocols are built around preserving the strength and character of the male face while eliminating the markers of fatigue, stress, and age. The result is a version of you that looks your best — not a different person.
"Letybo represents exactly what I look for in a neurotoxin for my patients at SoHo Men's Health — a consistent, ultra-pure formulation backed by over a decade of international evidence. The results speak for themselves: natural, refined, masculine. That is the standard we hold at SoHo Men's Health."— Dr. Kerem Bortecen, Board-Certified Physician · Founder, SoHo Men's Health
SoHo Men's Health — NYC
Schedule Your Letybo Consultation
with Dr. Bortecen Today
Board-certified Dr. Bortecen at SoHo Men's Health is now offering Letybo — South Korea's #1 neurotoxin — for men seeking natural-looking wrinkle reduction with precision and expertise. Same-week appointments available.
Book Your Letybo ConsultationLetybo Pricing
Transparent, unit-based pricing. Exact unit count determined at your Letybo consultation with Dr. Bortecen.
Typical treatment: 20–60 units depending on area(s) treated. Exact unit count determined at consultation with Dr. Bortecen.
Schedule Your Letybo ConsultationPricing confirmed at consultation. Schedule yours →
How They Compare
Letybo vs. Botox, Dysport, Xeomin,
Jeuveau & Daxxify
All FDA-approved neurotoxins share the same core mechanism — botulinum toxin type A — but differ meaningfully in formulation, origin, onset, duration, and dosing. Here is how Letybo compares to the other options available at SoHo Men's Health and across the U.S.
| Attribute | Letybo ★ | Botox | Dysport | Xeomin | Jeuveau | Daxxify |
|---|---|---|---|---|---|---|
| Manufacturer / Origin | Hugel · South Korea | Allergan · USA | Ipsen · France | Merz · Germany | Evolus · USA | Revance · USA |
| FDA Approval Year | 2023 | 2002 | 2009 | 2011 | 2019 | 2022 |
| International Track Record | ✓ 10+ years in Asia | ✓ 20+ years | ✓ 15+ years | ✓ 15+ years | – US-focused | – Recent |
| Formulation Type | Ultra-pure, complexing protein-free | With complexing proteins | With complexing proteins | Naked toxin (pure) | With complexing proteins | Peptide-stabilized |
| Onset of Action | 2–3 days | 3–7 days | 2–5 days | 3–7 days | 2–5 days | 3–7 days |
| Duration of Results | 3–4 months | 3–4 months | 3–4 months | 3–4 months | 3–4 months | 6+ months |
| Dosing Conversion | 1:1 with Botox | Reference standard | ~2.5:1 vs Botox | 1:1 with Botox | 1:1 with Botox | ~1:1 with Botox |
| Spread / Diffusion | Controlled, predictable | Controlled | Greater spread | Controlled | Controlled | Controlled |
| Available at SoHo Men's Health | ✓ Yes — Dr. Bortecen | ✓ Yes | ✓ Yes | ✓ Yes | ✓ Yes | ✓ Yes |
★ Letybo is Dr. Bortecen's featured neurotoxin at SoHo Men's Health. During your consultation, Dr. Bortecen will discuss which neurotoxin is the right choice for your anatomy and goals.
Which Is Right for You?
Is Letybo the Right Neurotoxin
for You?
There is no single "best" neurotoxin — there is only the best choice for your specific goals, anatomy, and history. At SoHo Men's Health, Dr. Bortecen will guide you to the right decision. Here are three common patient profiles to help you think through your options before your consultation.
You've Never Had a Neurotoxin Before
Letybo is an excellent choice for first-time neurotoxin patients at SoHo Men's Health. Its ultra-pure formulation, consistent onset, and well-characterized international safety profile make it an ideal starting point. Dr. Bortecen can use a conservative initial Letybo dose and build from there, ensuring your first experience is natural and comfortable — and calibrating future sessions to your individual response.
You've Used Botox or Another Neurotoxin Before
If you have been receiving Botox, Dysport, or another neurotoxin and are looking for an alternative — or simply want to explore what Letybo offers — the transition is straightforward at SoHo Men's Health. Letybo's 1:1 dosing conversion with Botox makes it easy for Dr. Bortecen to replicate your existing protocol with Letybo, often with comparable or improved consistency thanks to Letybo's ultra-pure formulation.
You Want Results That Last as Long as Possible
If your priority is maximizing the duration of your neurotoxin results — minimizing the number of annual appointments — Dr. Bortecen at SoHo Men's Health may recommend Daxxify, which has a clinically established duration of 6+ months. During your consultation, Dr. Bortecen will outline all options, including Letybo, so you can make an informed decision about which neurotoxin best fits your lifestyle and goals at SoHo Men's Health.
Frequently Asked Questions