
Botulax 50U
A lower-unit presentation intended for professional use where the applicable product labeling calls for this strength, such as finer facial wrinkles and other superficial conditions.
Discover a new horizon of Korean botulinum toxin innovation
Manufactured by Hugel, Inc., South Korea, in presentations from 50 to 300 units per vial, for professional medical use.

Botulax is South Korea’s entry into world-class neurotoxin innovation, designed as a partner in seamless anti-aging treatments towards youthful, confident looks. In the United States it is marketed as Letybo (letibotulinumtoxinA-wlbg) for the improvement of moderate to severe glabellar lines.
Botulax is a botulinum toxin type A product developed and manufactured by Hugel, Inc., South Korea, a global medical aesthetics company known for its injectable aesthetic portfolio. It contains purified Clostridium botulinum toxin type A and is available in multiple unit strengths for professional medical use.
Hugel’s brands, such as Botulax, have been used in South Korea and international markets for aesthetic and therapeutic applications. Formulations of 50U, 100U, 150U, 200U and 300U let healthcare professionals select the dosage strength each patient’s treatment calls for.
Every presentation contains the same purified botulinum toxin type A, strain CBFC26, as a lyophilized powder. Only the units per vial change.

A lower-unit presentation intended for professional use where the applicable product labeling calls for this strength, such as finer facial wrinkles and other superficial conditions.

A commonly supplied presentation containing 100 units of botulinum toxin type A per vial.

A convenient large-dose Botulax formulation for muscle spasticity and facial wrinkle improvement.

A higher-unit presentation intended for professional medical applications, as directed by the applicable labeling, especially in severe cases.

A high-volume formulation for high-dose treatments and larger surface areas, making it convenient and economical for both the clinic and patient.

Botulax is designed to provide controlled neuromuscular activity when administered by appropriately trained healthcare professionals. By temporarily reducing targeted muscle activity, botulinum toxin type A can be used for specific indications involving muscle contraction.
Depending on the consultation and evaluation of a qualified medical professional and the condition and aesthetic goals of the patient, the use of Botulax may differ:
Hugel, Inc. uses groundbreaking techniques combined with medical-grade materials to develop Botulax. Each vial of lyophilized white powder contains:
| Component | Per vial | Role |
|---|---|---|
| Clostridium botulinum toxin type A Strain CBFC26 | 50U, 100U, 150U, 200U or 300U | Active ingredient, made to KFDA-approved specifications |
| Human serum albumin | 0.5 mg | Stabilizer, meeting the Korean Minimum Requirements for Biological Products |
| Sodium chloride | 0.9 mg | Tonic adjuster |
Botulax is supplied as a freeze-dried powder and is reconstituted before injection.

Botulax has been produced in several unit strengths, including 50U, 100U, 150U, 200U, and 300U in the Korean product line. Hugel’s historical announcements document the approval of the 50U, 150U, and 200U presentations and later the 300U presentation.
However, available strengths can vary by market. The specific Botulax products offered through Botulax USA should always correspond to the applicable product documentation and regulatory requirements.
Botulax belongs to the same general category of botulinum toxin type A products, but products from different manufacturers have their own formulations, manufacturing processes, labeling, and potency units. Botulinum toxin units should not automatically be treated as interchangeable between products.
No. Botulax is intended for professional medical use and should only be prepared and administered by an appropriately qualified healthcare professional.
No. Regulatory approvals, approved indications, available strengths, prescribing requirements, and product labeling can differ between countries. Hugel specifically notes that market authorization details may differ by product and country.
You can explore our Botulax product pages or our About Botulax page for information about individual strengths, product specifications, formulation, manufacturer information, and professional-use considerations. Healthcare professionals should also consult the current official product documentation applicable to their market.
For questions about product availability, specifications, documentation, or professional purchasing, please contact our team.