Botox vs Dysport: Which Neuromodulator is Right for You?
You've decided you want a neuromodulator. That was the hard part. Now you're stuck on a question that has you scrolling through Reddit threads at midnight: Botox® or Dysport®?
Every clinic has an opinion. Most of them only carry one product, which means their recommendation is more about their supply chain than your face. The comparison posts you've read online all say the same thing: "They're basically the same but different." Helpful, right?
Here's what I actually want you to understand. Botox® and Dysport® are not the same product. They're also not better or worse than each other. They have specific differences that matter depending on what area of your face we're treating, how your muscles behave, and what kind of result you're after.
I carry three neuromodulators in my practice. Botox®, Dysport®, and Nuceiva®. Not because I love having extra inventory, but because I've seen what happens when someone gets the wrong product for the wrong area. The result is fine. But fine isn't what you came here for.
Let me walk you through the actual differences so you can stop Googling and start making sense of this.
They all start from the same place.
Botox®, Dysport®, and Nuceiva® are all neuromodulators. They're all botulinum toxin type A. They all work the same way: they temporarily block the nerve signals that tell a muscle to contract. When that muscle relaxes, the lines it creates soften.
That's where the similarities end.
Each one is manufactured differently, with different molecular structures, different protein complexes, and different spreading behaviors. Think of it like three coffee shops using the same beans but different roasting methods. Same origin, completely different in the cup.
So what actually changes from one to the next?
The differences that matter for your face
Molecular size and spread
Dysport® has smaller molecules than Botox®. In practical terms, that means it diffuses more once it's injected. It spreads across a wider area.
That spread is a real advantage for the forehead. When you're smoothing horizontal lines across a broad, flat surface, you want even coverage. Dysport® delivers that naturally without needing as many injection points.
But spread is not always what you want. For precise areas like the frown lines between your brows (the "11s") or crow's feet, Botox® tends to stay exactly where I place it. That precision matters when you're working around muscles that control your brow position or your smile.
Nuceiva® behaves more like Botox® in terms of spread. It stays put, which makes it another good option for targeted work.
Onset: when you'll see it working
This is one of the biggest practical differences between the two.
Dysport® typically kicks in within 2 to 3 days. Some of my clients notice changes as early as 24 hours after treatment. If you have an event coming up and you need results fast, Dysport® gives you a shorter wait.
Botox® takes longer. Most people see results between days 3 and 7, with full effect settling in around the two-week mark.
Nuceiva® falls in a similar range to Botox®, though some clients report it feeling slightly faster. The data on this varies person to person.
None of these timelines are a dealbreaker. But if you're planning around a specific date, the onset difference is worth knowing.
Duration: how long they last
Both Botox® and Dysport® last approximately 3 to 4 months for most people. Some of my clients report that Dysport® starts to wear off a couple of weeks sooner. Others notice no difference at all.
Nuceiva® falls in the same 3 to 4 month range.
What affects duration more than the product itself is your metabolism, the area being treated, and how many sessions you've had. Consistent treatments tend to last longer over time because the muscles adapt to being relaxed.
You may have also heard of Daxxify, a newer neuromodulator that markets itself on longer duration (up to 6 months). It's FDA-approved in the U.S. but not yet widely available in Canada. I keep an eye on it, and if it becomes available here, I'll evaluate it the same way I do everything else: based on the evidence and how it performs on real faces.
Units: this is where people get confused
Dysport® and Botox® units are not the same measurement. In some circumstances, you may need roughly 2.5 to 3 times more Dysport® units to achieve the same effect as Botox®. Now, that’s provided providers are using a 1:3 dilution ratio. At my clinic, I use a 1:1 dilution when reconstituting my Dysport. What does that mean? It means that 1 unit of Dysport is equivalent to 1 unit of Botox when it comes to potency. Although they do still behave slightly different when injected, they are essentially interchangeable when prepared in this way. One thing I do tell my clients, is if you are looking for a more smooth, even forehead — Dysport is your go-to neuromodulator. Dysport is also recommended if you want your tox to kick in as soon as possible, as the onset is generally quicker when compared to Botox.
Bottom line? Always ask your injector what dilution they use when reconstituting your medication.
Cost: what you're actually paying
Total treatment cost for Botox® vs Dysport® is typically based on how many units are required. Most clinics charge anywhere from $10 to $12 per unit, whereas Dysport typically averages between $8 to $10 per unit. At Contour Medical Aesthetics & Wellness, cost for both are on the lower end of those scales.
The honest answer on cost: it depends on which areas you're treating, how strong your muscles are, and how many units your face needs. That's a conversation we have during your consultation, not something I can put in a blog post and have it be accurate for you specifically.
What I can tell you is this. I don't upcharge for one product over another. I recommend the product that makes sense for your anatomy, and the cost follows from there.
The comparison,side by side
Botox®
- Active ingredient: Botulinum toxin type A
- Onset: 3-7 days
- Spread / diffusion: Stays precise, minimal spread
- Duration: 3-4 months
- Unit conversion: 1:1 dilution ratio
- Total treatment cost: $$$ (Tends to be on the higher end of price range)
- Best for: Precise areas: downturned smile/jowls (DAO), crow's feet, brow lift, chin
- Protein complex: Contains complexing proteins
- Made in: USA (Allergan)
Dysport®
- Active ingredient: Botulinum toxin type A
- Onset: 2-3 days
- Spread / diffusion: Spreads wider
- Duration: 3-4 months
- Unit conversion: ~2.5-3x more units needed at most MediSpas; 1:1 dilution ratio at my clinic, thereby not incurring additional units
- Total treatment cost: $$ (Typically less expensive than Botox brand)
- Best for: Broad areas: forehead, larger muscle groups
- Protein complex: Contains complexing proteins (smaller)
- Made in: France (Galderma)
Nuceiva®
- Active ingredient: Botulinum toxin type A
- Onset: 3-7 days
- Spread / diffusion: Stays precise, similar to Botox®
- Duration: 3-4 months
- Unit conversion: Similar to Botox®
- Total treatment cost: $$$ (comparable to Botox pricing)
- Best for: Clients who like the way Botox works on them, or those who want to change it up and try something new.
- Protein complex: contains complexing proteins
- Made in: Canada (Evolus)
So which one should you get?
Neither is better. That's not a cop-out. It's the truth.
When I'm planning your treatment, I'm thinking about three things: the specific area we're treating, how your muscles behave when you make expressions, and how much spread is desirable for that area.
If we're smoothing your forehead and you want fast results, Dysport® is probably the move. If we're doing precise work around your eyes or mouth, Botox® gives me more control. If you've tried both and want to experiment, Nuceiva® is worth a session.
Some clients respond differently to each product. One client might metabolize Nuceiva® in 8 weeks but get a solid 14 weeks from Dysport®. Another client has the exact opposite experience. There's no way to predict that without trying.
What I don't do is default to one brand for everything. That's what happens at clinics that only stock one product. They use what they have, not what fits your face.
Why carrying all three products matters
Most clinics carry one neuromodulator. Usually Botox®, because it has the strongest brand recognition. Some carry Dysport® instead, often because the margins are better. Very few carry all three.
I carry all three because the decision about which product to use should be based on your anatomy, your goals, and your treatment history. Not on what I happened to order this month.
When you come in for a consultation, I'm reading your face while you talk. Watching how your muscles move, where the strongest pull is, how your brow sits at rest vs. when you're animated. That assessment is what drives my recommendation. The product follows the anatomy, not the other way around.
As a licensed nurse practitioner here in St. Catharines, I understand the pharmacology behind each formulation. I know how the molecular differences translate to clinical differences on your face. And I adjust my approach based on what I see and what you tell me about your history with these products.
Every injection is me. The same person who assessed you, recommended a product, and planned your treatment is the one holding the needle. That continuity matters more than people realize.
What I'd tell you if you were sitting across from me right now
Stop trying to figure out the "best" neuromodulator from the internet. There isn't one. There's the one that's right for your face, for the area we're treating, for the result you're after. Remember, the neuromodulator is the tool. What’s most important is the knowledge, skill, and judgment of the person administering it.
The comparison table helps you understand the landscape. But the real answer comes from a conversation with someone who carries all the options and doesn't have a financial incentive to push one over the others.
If you've never had a neuromodulator before , you're in a good position. We can start with the product that fits your anatomy best, see how you respond, and adjust from there. If you've been getting Botox® for years and you're curious about Dysport® (or the other way around), that's a conversation I love having.
Your face, your call. I'm just the person with various options and no agenda.
Book your consultation at Contour Medical: https://cmedical.juvonno.com
Already know which areas you want treated? Mention it when you book and I'll set aside the right amount of time. First-timers, expect about 30 minutes. We don't rush.
Want to learn more about what neuromodulators can do? Read the full Botox® and Dysport® service page: https://www.contourmedicalniagara.com/botox-dysport-niagara for treatment areas, what to expect, and pricing details.

