Botox and Dysport are both botulinum toxin type A. Dysport starts slightly faster and spreads more; Botox stays localized and has broader cosmetic FDA approval. Compare onset, duration, formulation, safety, and real cost, then find a qualified injector.
Botox and Dysport are both botulinum toxin type A injectables that relax muscles to soften wrinkles, with comparable results and roughly 3 to 4 months of effect. Dysport starts slightly faster and spreads more, suiting broad areas; Botox stays localized and has wider cosmetic FDA approval. Neither is universally better: the injector matters most.
Botox and Dysport are the two most requested wrinkle-relaxing injectables in the United States, and patients constantly ask which one is better. The honest answer is that they are close cousins. Both are botulinum toxin type A, both temporarily relax the muscles that create expression lines, and in skilled hands both produce natural, comparable results. The differences that matter are practical rather than dramatic, and they show up in onset speed, how the product spreads, unit dosing, FDA approvals, and how an experienced provider decides between them for a specific area of your face.
This guide compares the two products attribute by attribute so you can walk into a consultation already informed. Both are FDA-approved prescription medications, but their approved cosmetic uses differ, and several of the most popular treatment areas are treated off-label. Off-label use is legal and routine in aesthetic medicine, but you deserve to know when it applies to your treatment. The information here is educational, not medical advice: dosing, product selection, and whether either toxin is right for you are clinical decisions for a licensed injector.
Before the detail, here is the head-to-head comparison most patients are looking for. Both products share the same drug class and the same reversible, temporary mechanism, so the table below focuses on the attributes that actually differ in practice. Treat the figures as typical ranges reported in clinical use, not guarantees; your own onset, duration, and dose depend on your muscles, the area treated, and your injector's technique.
| Attribute | Botox | Dysport |
|---|---|---|
| Active ingredient | onabotulinumtoxinA | abobotulinumtoxinA |
| Manufacturer | AbbVie (Allergan Aesthetics) | Galderma |
| Typical onset | About 3 to 5 days | About 2 to 3 days |
| Diffusion (spread) | More localized, precise | Spreads wider from each point |
| Typical duration | About 3 to 4 months | About 3 to 4 months |
| Unit scale | Reference standard | Roughly 2.5 to 3 units equal 1 Botox unit |
| FDA cosmetic approvals | Frown lines, crow's feet, forehead lines, platysma bands | Frown (glabellar) lines only |
| Often chosen for | Precise, small muscle areas | Broad areas such as the forehead |
The single most important takeaway from this table: Dysport units and Botox units are not interchangeable, so any price or dose stated in units means nothing until you know which product it refers to.
Botox and Dysport are far more alike than different, which is why patients so often struggle to choose. Both are purified formulations of botulinum toxin type A, a neurotoxin that blocks the release of acetylcholine, the chemical signal a nerve uses to tell a muscle to contract. When a small, targeted dose relaxes the muscles that fold the skin during expression, the overlying wrinkles soften and, over weeks, the skin smooths. Neither product freezes your whole face; a good result keeps natural movement while easing the deepest dynamic lines.
The shared attributes go beyond mechanism. Both are prescription-only medications that must be administered by a trained, licensed injector, never bought or self-injected. Both are reconstituted from a powder and injected in tiny amounts with a fine needle, so the appointment itself feels similar: a few minutes, minimal discomfort, and no downtime for most people. Both typically last about three to four months before the muscle activity gradually returns and a repeat treatment is needed. And both work best on dynamic wrinkles, the lines caused by muscle movement, rather than static creases and volume loss, which are usually addressed with fillers or other treatments. Because the products are so comparable, the honest starting point is that either one, placed skillfully, can deliver an excellent, natural outcome.
The two products are manufactured differently, and that shows up in a handful of practical ways. The first is onset. Many patients notice Dysport beginning to work within about two to three days, while Botox often takes about three to five days, with both reaching full effect around two weeks. If you have an event on a tight timeline, a slightly faster start can matter, though neither is instant and both should be timed at least two weeks ahead.
The second difference is diffusion, or how far the product spreads from each injection point. Dysport tends to spread a little more widely, which can be an advantage across broad, flat zones like the forehead because it can create an even, soft result with fewer injection points. Botox tends to stay more localized, which is prized for precise work around small muscles where an injector wants tight control and minimal migration. Spread is not inherently good or bad; it is a property a skilled provider dilutes and places for.
The third difference is dosing, and it causes the most confusion. The products use different unit scales. Clinical practice commonly converts them at roughly a 2.5 to 3 to 1 ratio, meaning it takes about two and a half to three Dysport units to match one Botox unit. Because the numbers on the scale differ, a per-unit price tells you nothing about the true cost until you convert to the comparable dose for your treatment area.
This is where a genuine, checkable difference appears, and it is one many comparison pages gloss over. Botox Cosmetic (onabotulinumtoxinA) carries broader cosmetic FDA approval: it is FDA-approved to temporarily improve the look of moderate to severe frown lines between the brows, crow's feet at the outer eyes, forehead lines, and the vertical neck-and-jaw bands known as platysma bands, for which it is currently the only FDA-approved toxin. Dysport (abobotulinumtoxinA) is FDA-approved for moderate to severe frown (glabellar) lines in adults under 65, and its cosmetic approval is limited to that single area.
That narrower label does not mean Dysport cannot be used elsewhere. Injectors routinely and legally use both products off-label for many popular areas, such as a lip flip, masseter or jaw slimming, a gummy smile, bunny lines on the nose, chin dimpling, and neck bands. Off-label prescribing is legal, widespread, and supported by clinical experience across aesthetic medicine; it simply means the manufacturer did not seek FDA approval for that specific cosmetic use. The practical honesty here is straightforward: if you are treating your forehead with Dysport, that is an off-label use, whereas the same forehead treatment with Botox falls within its approved indications. Ask your injector which product they plan to use, for which area, and whether that use is on-label or off-label.
Because the products behave slightly differently, experienced injectors often reach for one over the other based on the area and the goal, not on brand loyalty. Dysport's wider spread and faster onset make it a frequent choice for the forehead and other broad zones, where a soft, even smoothing across a large surface is the aim and where its diffusion can mean fewer injection points. Patients who want to see movement soften a couple of days sooner sometimes prefer it for that reason as well.
Botox's more localized behavior is often favored for small, precise muscles and delicate work: the fine lines at the outer eyes, a lip flip, or areas near the eyelid where an injector wants to minimize spread to neighboring muscles and reduce the chance of unwanted effects. Its broader FDA approval can also matter to patients who prefer to stay on-label where possible, particularly for crow's feet or platysma bands.
None of this makes one product correct and the other wrong for you. Many providers keep both on hand and choose per area within a single appointment. If you have had a good experience with one product before, that history is useful information for your injector. And if you metabolize a toxin unusually fast or slow, switching brands is a reasonable thing to discuss, since individual response can vary between formulations even though average duration is similar.
As a drug class, Botox and Dysport have very similar, well-characterized safety profiles, and both are considered safe when administered by a qualified, licensed injector in appropriate doses. The most common side effects are mild, temporary, and local: redness, swelling, or bruising at the injection sites, a short-lived headache, and mild tenderness. These typically resolve within hours to a few days. Because they share a mechanism, the type of side effects is broadly the same for both products.
Technique-related effects are also possible with either toxin and are usually temporary because the drug wears off. These include a drooping eyelid or brow (ptosis), asymmetry, an unnatural or overly frozen look, or a dry or watery eye, generally the result of product reaching a muscle it was not meant to affect. Careful placement and correct dosing reduce these risks, which is another reason injector skill outweighs brand choice. All botulinum toxin products, including Botox and Dysport, carry an FDA boxed warning noting that, rarely, the toxin's effect can spread beyond the injection site and cause symptoms such as muscle weakness, trouble swallowing, or breathing difficulty; this is very uncommon at cosmetic doses. Both products should be avoided during pregnancy or breastfeeding and in people with certain neuromuscular disorders or a known allergy to any ingredient. Tell your provider your full medical history and report any breathing, swallowing, or vision changes promptly.
On paper, Dysport almost always looks cheaper, and this is the single biggest source of confusion in the whole comparison. Clinics usually price both products per unit, but a Dysport unit and a Botox unit are not the same size. Because it takes roughly two and a half to three Dysport units to do the work of one Botox unit, a lower Dysport per-unit price does not mean a lower price for your actual treatment. When you compare by the area treated or by the finished result rather than by the raw unit number, the total cost of the two products tends to land in a broadly similar range.
Actual prices vary widely and we will not invent specific figures: cost depends on your provider's experience and location, the number of units your muscles need, current promotions, and regional market rates. A metropolitan medical practice and a suburban medspa can price the same treatment very differently. The practical way to compare quotes is to ask for the price of treating a specific area to your desired result, or the effective cost after converting units to the comparable dose, rather than fixating on the per-unit sticker. A per-unit Dysport deal that looks dramatically cheaper is often a framing effect, not a real saving. When in doubt, ask the clinic to quote the whole treated area for each product.
After all the attribute-by-attribute detail, the most important variable is not on the product label. It is the person holding the syringe. Botulinum toxin results are created by dosing and placement: how many units go where, how deep, and how they are balanced across the muscles of your face. A great injector produces natural, symmetric results with either product; an inexperienced one can produce a heavy or uneven look with the best toxin on the market. This is why chasing a specific brand, or the cheapest per-unit price, is usually the wrong strategy.
Choose your provider first. Look for a licensed medical professional who performs injectables regularly, will assess your anatomy and goals in person, explains which product they recommend and why, is transparent about on-label versus off-label use, and shows you real before-and-after photos of their own patients. A good injector will also tell you honestly when a neuromodulator is not the right tool, for example when a static crease or volume loss would respond better to filler or another treatment. Bring your questions, share your history, and expect a conversation rather than a hard sell. Once you have found a provider you trust, the Botox versus Dysport decision largely takes care of itself, because they will match the product to your face and your goals.
No. When you stop, muscle movement gradually returns and your wrinkles slowly go back to how they would have looked without treatment. You do not rebound to a worse state or age faster. Some people find lines look softer because they broke the habit of repeated deep creasing, but stopping does not accelerate aging.
It varies widely by provider and region, so no fixed figure applies. Dysport is priced per unit and its per-unit price is lower than Botox, but its units are smaller. Roughly 2.5 to 3 Dysport units equal 1 Botox unit, so 100 Dysport units is a modest dose. Compare by treated area, not per-unit price.
Its wider spread demands a skilled injector, since diffusion into nearby muscles can cause asymmetry or droop if placement is off. Its cosmetic FDA approval covers only frown lines, so other areas are off-label. Onset and duration are otherwise comparable to Botox, and side effects are similar and usually temporary.
South Korea produces its own botulinum toxin type A brands, such as Nabota (sold in the US as Jeuveau), Botulax, and Meditoxin, which are widely used there. They are the same drug class as Botox and Dysport. Availability and regulatory approval differ by country, so options in the US are not identical to Korea's.
Botox remains the most recognized name and has broader cosmetic FDA approval, but Dysport has grown steadily and some injectors and patients prefer its faster onset and softer spread for broad areas. Popularity varies by clinic and region. Neither being more popular makes it the better choice for your specific face and goals.