More Than Just Units: Why Dysport Numbers Should Not Be Compared Directly With Botox
A larger Dysport unit number does not automatically mean “more toxin,” a stronger treatment or a worse value. Botulinum-toxin potency units are product-specific.
The core fact: units are not interchangeable
Dysport is abobotulinumtoxinA; Botox Cosmetic is onabotulinumtoxinA. Each product’s potency units are tied to its own preparation and assay. FDA labeling explicitly states that Dysport units are not interchangeable with units of other botulinum toxin products, and Botox Cosmetic labeling makes the same point.
That means a patient should not compare the raw number on a Dysport treatment plan with the raw number on a Botox plan and conclude that one clinician is using “three times as much toxin.” The unit systems are different.
Why simple conversion ratios can be misleading
In aesthetic practice, clinicians sometimes use informal conversion heuristics when discussing product economics or prior treatment history. Those heuristics can be useful operationally, but they are not an FDA-recognized unit conversion and they should not be mistaken for exact biological equivalence.
Clinical effect also depends on indication, muscle, injection pattern, concentration, patient anatomy and treatment objective. A ratio alone cannot replace treatment planning.
- Always name the product when documenting or discussing units.
- Do not compare price-per-unit across brands without understanding the product-specific dosing system.
- Prior response to one toxin does not guarantee an identical response to another.
- Use the current product label and individualized clinical plan rather than social-media conversion charts.
What patients should compare instead
A better comparison is the treatment goal, the clinician’s plan, expected follow-up, total treatment cost, prior response, convenience and how well the product fits the patient’s preferences. The raw unit count is only meaningful inside the specific product’s dosing framework.
How THCB presents neuromodulator choices
THCB publishes multiple neuromodulator brands and routes current pricing and treatment requests through the patient app. That allows the website to explain the category without freezing an old price-per-unit or oversimplified conversion claim into a search result.
Continue your research.
When you are ready to move from research to a patient request, use the THCB app.
Primary and clinical reference reading
These links are provided for general education. Product labeling and safety information can change; current prescribing information controls.
The website is for research. The app is for patient access.
Open THCB to request an appointment, choose a house-call location, review current treatment availability and return to your patient account.