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Botulax vs Innotox: When to Choose Powder Flexibility and When to Choose Liquid Convenience
Written by FillersFairy Editorial · Reviewed by FillersFairy Clinical Team · Last updated: [PUBLISH_DATE]
Quick Answer
Botulax and Innotox are both Korean botulinum toxin type A products — the choice comes down to format preference. Botulax by Hugel Pharma is a lyophilized powder available in 100U, 200U and 300U vials, offering customizable dilution ratios. Innotox by Medytox is the world’s first liquid BTX-A, pre-mixed at 4U/0.1 mL with no reconstitution needed. Both use a 1:1 unit conversion to Botox. Both are KFDA approved. Both last 4–6 months. The decision is operational: Botulax gives dose flexibility, Innotox gives preparation speed.
The Core Comparison
| Feature | Botulax (Hugel) | Innotox (Medytox) |
|---|---|---|
| Format | Lyophilized powder | Pre-mixed liquid |
| Reconstitution | Required (add saline) | Not required |
| Available sizes | 100U / 200U / 300U | 50U / 100U |
| Concentration | Customizable (depends on dilution) | Fixed: 4U per 0.1 mL |
| Botox conversion | 1:1 | 1:1 |
| Onset | 2–5 days | 24–48 hours |
| Duration | 4–6 months | 4–6 months |
| Strain | CBFC26 (Hall strain equivalent) | Hall strain 900 kDa |
| Storage | 2–8°C, 36 months | 2–8°C, 36 months |
| Stabiliser | HSA 0.5 mg | Albumin-free |
| Regulatory | KFDA + FDA (Letybo, BLA 761225) | KFDA only |
| Manufacturer | Hugel Pharma (KOSDAQ:145020) | Medytox |
When Botulax Is the Better Choice
High-volume clinics treating 20+ patients/day. Botulax’s 300U vial format is unique in the Korean BTX-A market — one reconstitution serves multiple patients. This reduces per-patient preparation time and per-unit cost at scale.
Practitioners who prefer custom dilution. Different injection areas benefit from different concentrations. Some practitioners dilute more for forehead (broader, even distribution) and less for glabellar (precise, concentrated). Botulax’s powder format lets you choose your dilution ratio. Innotox’s fixed concentration doesn’t offer this flexibility.
Clinics prioritising regulatory confidence. Hugel’s BTX-A received US FDA approval in February 2024 (Letybo, BLA 761225), based on the BLESS I, II and III trials involving 1,271 patients. This provides a regulatory confidence signal that Innotox (KFDA only) cannot match in the US market.
When Innotox Is the Better Choice
Speed-critical workflows. No reconstitution means every treatment starts faster. For clinics where practitioner time is the bottleneck, eliminating 5–10 minutes of preparation per vial compounds into significant time savings across a full day.
Consistency-focused practices. Every reconstitution introduces variables — exact saline volume, mixing technique, time between mixing and injection. Innotox eliminates all of these. What you draw from the vial is exactly 4U/0.1 mL, every time.
Patients wanting faster onset. For event-driven treatments where the patient needs results within 48 hours, Innotox’s faster onset (24–48 hours vs 2–5 days) is a genuine clinical advantage.
What Both Have in Common
More unites these products than separates them. Both are manufactured in South Korea under GMP standards. Both use botulinum toxin type A with 1:1 Botox unit conversion. Both last 4–6 months. Both store at 2–8°C with 36-month shelf life. Both are used with the same injection techniques, same needle gauges (30–32G) and same anatomical injection points.
For clinics, the practical implication: you can switch between Botulax and Innotox without changing your clinical protocol. The injection technique is identical. Only the preparation step differs.
Which Should Your Clinic Stock?
Stock both. Botulax for high-volume efficiency (300U vials, customizable dilution) and Innotox for speed-critical treatments (pre-mixed, faster onset). Many Korean clinics keep both in inventory and choose based on the day’s patient schedule and specific treatment needs.
If starting with one: Botulax for clinics prioritising cost efficiency and format flexibility. Innotox for clinics prioritising preparation speed and dosing consistency.
Botulax → | Innotox → | Browse all BTX-A →
Practitioner Summary
Botulax and Innotox are complementary, not competing. Botulax gives you format flexibility (3 vial sizes, customizable dilution) backed by FDA approval. Innotox gives you preparation speed (no reconstitution) and dosing consistency (fixed 4U/0.1 mL). Both deliver the same clinical outcomes over the same duration. The choice is operational — match the format to your clinic’s workflow.
Frequently Asked Questions
Is Botulax the same as Innotox?
Both are Korean botulinum toxin type A products with 1:1 Botox conversion, but different formats. Botulax is lyophilized powder (reconstitute with saline). Innotox is pre-mixed liquid (ready to inject). Same clinical outcomes, different preparation workflow.
Which lasts longer — Botulax or Innotox?
Both last 4–6 months. Duration depends on treatment area and patient metabolism, not on product choice. Areas with more movement (forehead) tend toward 4 months; areas with less movement (crow’s feet) tend toward 6 months.
Can I switch patients between Botulax and Innotox?
Yes — both use 1:1 Botox unit conversion. A patient previously treated with 20U Botulax receives 20U Innotox for the same effect. No dose recalculation needed. Same injection points, same technique.
Which is cheaper — Botulax or Innotox?
At wholesale, Botulax’s 300U format offers the lowest per-unit cost for high-volume clinics. Innotox’s convenience premium is offset by time savings (no reconstitution). Total cost depends on your clinic volume and how you value practitioner time.
Does Botulax need reconstitution?
Yes — Botulax is a lyophilized powder. Add 2.5 mL preservative-free saline per 100U vial for standard dilution (4U/0.1 mL). Swirl gently, do not shake. Use within 24 hours of reconstitution.
Related Guides
Disclosure: FillersFairy is a wholesale supplier of both Botulax and Innotox. This article is for educational purposes only.
References
- Hugel Pharma. Botulax product specifications. 100U/200U/300U, CBFC26 strain, KFDA + FDA (Letybo BLA 761225).
- Medytox Inc. Innotox product specifications. Liquid BTX-A, 50U/100U, Hall strain, KFDA approved.
- FDA. BLA approval letter 761225. Letybo (prabotulinumtoxinA-xvfs). February 29, 2024.
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