Dysport costs less per unit than Botox, but it requires roughly 2.5 to 3 times as many units to achieve the same effect. When you do the math for a full treatment session, the total price usually comes out similar, though Dysport can be slightly less expensive depending on your provider’s pricing.
Per-Unit Price vs. Total Treatment Cost
Botox runs $10 to $25 per unit in the U.S., while Dysport typically costs $4 to $8 per unit. At first glance, Dysport looks like the obvious bargain. But the two products aren’t measured the same way. A unit of Botox is roughly 2.5 to 3 times more potent than a unit of Dysport, so you need proportionally more Dysport to get equivalent results.
Here’s what that looks like in practice. A standard frown line (glabellar) treatment uses about 20 units of Botox. The equivalent Dysport dose is around 50 units, based on the 2.5:1 ratio recommended by manufacturers for wrinkle treatment. At the midpoint of each price range:
- Botox: 20 units × $15 = $300
- Dysport: 50 units × $6 = $300
The numbers land in roughly the same range. That said, pricing varies widely by clinic, city, and provider volume. Some practices price Dysport more aggressively to attract patients, which can tip the total cost 10 to 20 percent lower than a comparable Botox session. It’s worth asking your provider for quotes on both products for the specific area you want treated.
The Conversion Ratio Matters More Than You Think
The exact conversion between Dysport and Botox units has been debated in clinical research for years. Lab studies have found that one Botox unit equals somewhere between 2 and 4 Dysport units, depending on how potency is measured. The most widely accepted clinical ratio is 2.5:1, which is what manufacturers recommend for cosmetic wrinkle treatment. Some providers use a 3:1 ratio, but a double-blind study on forehead wrinkles found that at 3:1, Dysport actually produced stronger effects than Botox, suggesting 2.5:1 is closer to a true equivalence.
This distinction matters for your wallet. A provider using a 3:1 ratio will inject 60 Dysport units where 20 Botox units would go, potentially making the Dysport session more expensive than the Botox one. If cost is your main concern, ask what conversion ratio your injector uses and calculate the total before committing.
How Long Each One Lasts
Neither product gives you a cost advantage through longer duration. In a randomized, double-blind clinical study comparing the two, Dysport lasted an average of 17 weeks and Botox lasted 18 weeks. Both ranged from 8 to 32 weeks depending on the patient. For most people, that means scheduling touch-ups every 3 to 4 months regardless of which product they choose.
Since the duration is nearly identical, your annual cost comes down to the per-session price multiplied by three or four treatments. If one product saves you $30 per session, that adds up to roughly $90 to $120 over a year.
Where Dysport May Save You Money
Dysport spreads more broadly from the injection site than Botox does. This wider diffusion makes it particularly effective for larger treatment areas like the forehead, where horizontal lines stretch across a wide surface. Because it covers more ground per injection point, some providers use fewer injection sites, which can reduce the session cost slightly.
This spreading property is a genuine advantage for broad, flat areas. It’s less ideal for small, precise targets like crow’s feet, where you want the product to stay exactly where it’s placed. Botox tends to stay more localized, giving injectors tighter control in delicate zones. So the “cheaper” option partly depends on which area you’re treating.
Speed of Results
While not a direct cost factor, Dysport does work faster. Most patients notice lines softening within two to three days, compared to three to five days for Botox. Both products reach their full effect at about 10 to 14 days. This faster onset doesn’t change your bottom line, but if you’re timing treatment before an event, Dysport gives you a slightly shorter waiting period.
How to Compare Prices at Your Provider
The most useful thing you can do is ask your provider for the total session cost for each product, not just the per-unit price. A clinic quoting Dysport at $5 per unit sounds cheaper than Botox at $15, but if they’re using a 3:1 ratio, you’ll pay $300 for Dysport versus $300 for Botox on a 20-unit Botox treatment area.
Some clinics offer loyalty programs or volume discounts that change the math. Allergan (the Botox manufacturer) runs a rewards program called Allē, and Galderma (the Dysport manufacturer) offers the Aspire program. Both give you points toward future treatments, effectively reducing your cost per session over time. Factor those in if you plan to maintain results long term.
Geographic location also plays a role. Providers in major metropolitan areas tend to charge at the higher end of both price ranges, while clinics in smaller cities or competitive markets may discount more aggressively. Getting quotes from two or three providers gives you the clearest picture of what you’ll actually spend.