Why this product is different
Wondertox 200U is the same Chong Kun Dang freeze-dried botulinum toxin type A formulation as the 100U pack, supplied in a larger single-vial format for clinics with higher throughput. Chong Kun Dang is one of the largest pharmaceutical companies in Korea (founded 1941, revenue ~USD 1.15 billion in 2022). The active ingredient, manufacturing process, and excipient profile are equivalent across both Wondertox pack sizes; the 200U format simply doubles the unit count and reconstitution volume.
Mechanism of action
Botulinum toxin type A is a presynaptic neuromuscular blocker. Following injection into target muscle, the toxin’s heavy chain binds to specific receptors on motor nerve terminals; the light chain is internalised into the nerve cytoplasm, where it enzymatically cleaves SNAP-25 — a SNARE complex protein required for acetylcholine vesicle fusion at the neuromuscular junction. Without SNAP-25, acetylcholine release into the synaptic cleft is blocked, the motor nerve cannot signal the muscle fibre to contract, and the targeted muscle relaxes. New axon terminals eventually sprout and restore neuromuscular signalling, at which point clinical effect wanes.
Specifications
Category
Botulinum Toxin Type A — Korean Freeze-dried
Brand owner
Chong Kun Dang
Country of origin
Republic of Korea (Seoul)
Strain
Clostridium botulinum proprietary working strain (working strain identity not publicly disclosed)
Process
Freeze-drying (lyophilization)
Active ingredients
Botulinum toxin type A 200 U; human serum albumin 1.0 mg; sodium chloride 1.8 mg
Pack
1 vial × 200 U freeze-dried (lyophilized) powder
Storage (unopened)
2–8 °C, protected from light. Do not freeze.
Shelf life
36 months from date of manufacture (unopened, refrigerated)
After reconstitution
Use within 24 hours when stored at 2–8 °C; discard unused reconstituted product per institutional protocol
Supplied to
Licensed healthcare professionals only
Shipping
Cold-chain (2–8 °C), insulated packaging
SKU
FF-TX-WONDERTOX-200U
Common application zones
Application zones below are common indications for which botulinum toxin type A is used by practitioners. Specific dosing per zone is determined by the treating practitioner based on individual patient anatomy and clinical judgment.
Multi-zone single-patient sessions (multiple facial areas treated in one visit)
Bilateral masseter contouring with adjunct facial zones
Calf slimming and other body-contouring indications
Platysma bands across the full neck
Hyperhidrosis (axillary, palmar) as a therapeutic indication
Glabellar lines, forehead lines, lateral canthal lines (crow’s feet)
Contraindications
Pregnancy and lactation
Active infection at injection site
Known hypersensitivity to botulinum toxin, human albumin, or any excipient
Neuromuscular disorders (myasthenia gravis, Lambert-Eaton, ALS)
Concurrent aminoglycosides or other neuromuscular blockers
Bleeding disorders or anticoagulants without clearance
Frequently asked questions
What is Wondertox 200U?
Wondertox 200U is the larger single-vial pack of Chong Kun Dang’s Korean botulinum toxin type A brand. Each vial contains 200 units of botulinum toxin type A as freeze-dried (lyophilized) powder, with 1.0 mg human serum albumin as stabilizer and 1.8 mg sodium chloride. Reconstitution is performed with 5 ml of 0.9% sterile saline.
Who is Chong Kun Dang?
Chong Kun Dang (CKD, 종근당) is one of the largest pharmaceutical companies in South Korea. Founded in 1941 and headquartered in Seoul, the company reported ₩1.49 trillion (~USD 1.15 billion) in revenue in 2022 with approximately 2,400 employees. Wondertox is part of Chong Kun Dang’s aesthetic medicine portfolio.
Is Wondertox 200U KFDA-approved?
Yes. Wondertox is KFDA-approved (MFDS, the renamed Korean Ministry of Food and Drug Safety) for the temporary improvement of moderate to severe glabellar wrinkles in adults aged 19–65, and for the treatment of benign essential blepharospasm in patients aged 19–65 and equinus foot deformity due to spasticity in pediatric cerebral palsy patients aged 2 and above.
How is Wondertox 200U different from 100U?
Wondertox 200U contains 200 units of botulinum toxin type A per vial; the 100U pack contains 100 units. Reconstitution volumes differ accordingly — typically 5 ml of 0.9% sterile saline for 200U and 2.5 ml for 100U. The active ingredient, manufacturing process, and excipient profile are equivalent across both pack sizes. The 200U pack is positioned for higher-volume multi-zone treatments or clinics with frequent botulinum toxin throughput.
How is Wondertox different from Bienox?
Both are Korean botulinum toxin type A products. Wondertox is a Chong Kun Dang brand using freeze-drying (lyophilization). Bienox is manufactured by Korea BNC using vacuum-drying. The two products use different manufacturers, different production processes, and proprietary strains; units are not interchangeable across brands.
How is Wondertox different from Meditoxin?
Both are Korean freeze-dried botulinum toxin type A products. Wondertox is a Chong Kun Dang brand. Meditoxin (also known as Neuronox in export markets) is manufactured by Medytox, the company that introduced Korea’s first botulinum toxin in 2006. Both are KFDA-approved for aesthetic indications. Each brand maintains its own proprietary working strain and production line; units are not interchangeable between the two products.
What is the typical onset and duration?
Onset and duration vary with individual anatomy, muscle mass, metabolism, treatment zone, and dosing strategy. Practitioners can refer to Chong Kun Dang product documentation and published clinical literature for general expectations specific to the indication.
What does the vial look like?
Wondertox is supplied as freeze-dried (lyophilized) white or light-yellow powder in a colourless transparent vial. After reconstitution with 0.9% sterile saline, the solution is clear and colourless. White powder visible at the bottom of the vial is normal product appearance for freeze-dried botulinum toxin.
What are the storage requirements?
Store unopened vials at 2–8 °C, protected from light. Do not freeze. After reconstitution with 0.9% sterile saline, use within 24 hours when stored refrigerated. Discard unused reconstituted product per institutional protocol.
What is the active ingredient profile?
Each Wondertox 200U vial contains: Botulinum toxin type A 200 units; Human serum albumin 1.0 mg (stabilizer); Sodium chloride 1.8 mg (isotonic agent).
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