JDBIO Co., Ltd. (Korean marketer) · Republic of Korea
Redtox 100U is a Korean botulinum toxin type A brand marketed by JDBIO Co., Ltd. Each single-use vial contains 100 units of botulinum toxin type A as freeze-dried (lyophilized) powder for reconstitution with 0.9% sterile saline. The vial contains a white or light-yellow lyophilisate that dissolves into a transparent solution after reconstitution.
Why this product is different
Redtox is marketed by JDBIO Co., Ltd., a Korean aesthetic injectables marketer that also markets Onetox and Ex-Tox within its Korean botulinum toxin portfolio. Redtox is supplied as freeze-dried (lyophilized) botulinum toxin type A in a colourless transparent vial with the standard Korean botulinum toxin formulation — 100 units of botulinum toxin type A stabilized with 0.5 mg human serum albumin and 0.9 mg sodium chloride.
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
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.
Contraindications
Frequently asked questions
Redtox 100U is a Korean botulinum toxin type A injectable marketed by JDBIO Co., Ltd. Each single-use vial contains 100 units of botulinum toxin type A as freeze-dried (lyophilized) powder, with 0.5 mg human serum albumin as stabilizer and 0.9 mg sodium chloride. Reconstitution is performed with 0.9% sterile saline before injection.
Redtox is marketed by JDBIO Co., Ltd., a Korean aesthetic injectables marketer. JDBIO’s Korean botulinum toxin portfolio includes Redtox, Onetox, and Ex-Tox alongside distributed third-party brands.
Both are Korean freeze-dried botulinum toxin type A products marketed by JDBIO Co., Ltd. Each is supplied with the standard Korean botulinum toxin formulation (100 units botulinum toxin type A, 0.5 mg human serum albumin, 0.9 mg sodium chloride). Redtox and Onetox are separate product brands within the JDBIO portfolio.
Redtox is a freeze-dried (lyophilized) botulinum toxin type A marketed by JDBIO. Bienox is a vacuum-dried botulinum toxin type A manufactured by Korea BNC and MFDS-approved in March 2024. The two products use different production processes; units are not interchangeable across brands.
Both are Korean freeze-dried botulinum toxin type A products. Redtox is marketed by JDBIO. Wondertox is a Chong Kun Dang brand. Each maintains its own production arrangement; units are not interchangeable between the two products.
Each Redtox 100U vial contains: Botulinum toxin type A 100 units; Human serum albumin 0.5 mg (stabilizer); Sodium chloride 0.9 mg (isotonic agent).
Redtox 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.
Onset and duration vary with individual anatomy, muscle mass, metabolism, treatment zone, and dosing strategy. Practitioners can refer to JDBIO product documentation for general expectations specific to the indication.
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.
36 months from date of manufacture (unopened, refrigerated at 2–8 °C).

Linda Wu –
I hate the “stiff face” look. I used Redtox for my glabella lines and I can still move my eyebrows naturally, but the wrinkles are gone. It strikes the perfect balance between strength and flexibility. Compared to Hutox, I feel like this gives a much more “elegant” result. Plus, the packaging was pristine and arrived at the right temperature.
Marcus Sterling –
I mainly use this for my masseter muscles because I grind my teeth at night. I swapped from Rentox to Redtox because I felt the former was wearing off too fast (barely made it to 3 months). Redtox has a higher potency—I used 50 units per side, and my jawline stayed sharp for a solid 5 months. It feels “stiffer” in a good way, meaning it actually tackles those thick muscles. For anyone debating between this and Innotox, I’d say Redtox gives you a more defined contour if you know how to dilute it properly.
Amanda Cruz –
Fast shipping and the packaging was cold upon arrival. I scanned the code and it’s 100% authentic. The potency is definitely there! I used about 20 units on my masseters and my jawline is looking so much slimmer after a month.
Liam Park –
I’ve never done Botox before, but turning 35 made me cave. My nurse used 28U for my glabella and crow’s feet. Felt tiny pinches, zero bruising.Maintenance tip: Store it in the fridge door so you don’t forget. If you’re new, this is beginner-friendly stuff.