
Ada West Dermatology
Meridian, ID
A faster-acting alternative to Botox.

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Dysport is an injectable botulinum toxin type A (abobotulinumtoxinA) made by Galderma. It temporarily relaxes muscles that create wrinkles, and is FDA-approved for frown lines between the brows, cervical dystonia and spasticity. Results usually appear in 2 to 5 days and last 3 to 4 months.
Dysport works the same way as Botox: it blocks the nerve signal that tells a muscle to contract, softening the lines that repeated movement etches into skin. The practical differences are dosing and behavior. Dysport units are not interchangeable with Botox units; it takes roughly 2.5 to 3 Dysport units to equal 1 Botox unit, so a bigger number on your chart does not mean a bigger dose. Dysport tends to kick in slightly faster and spreads a little more from the injection point, which some injectors like for broad areas such as the forehead and dislike near the eyes. In the US, cosmetic use outside frown lines, including forehead lines and crow's feet, is off-label but common.
Take your "before" photo just before treatment and your "after" photo at 14 days, when Dysport reaches full effect. A photo taken at day 3 or 4 will understate your result, since Dysport starts working in 2 to 5 days but keeps building for two weeks.
For a comparison that means anything, match the conditions: same lighting, same distance, same camera, no makeup, and the same two expressions, one relaxed and one frowning or raising the brows. The animated shot matters most, because that is where toxin does its work. Many clinics photograph again at four months to show when the effect is fading, which helps you plan retreatment timing. If at two weeks you still have asymmetry, a heavy brow, or a line that did not soften, that is the right moment to go back for a touch-up, not at day four. Bring your photos to that visit. Objective images also help your injector adjust dose and placement next round rather than repeating the same plan.
Honest Dysport before-and-after photos show softened frown lines at rest with natural brow movement preserved, not a frozen forehead. Judge them at day 14, since Dysport starts working in 2-3 days and peaks around two weeks. Results last 3-4 months.
Look for pairs shot in the same lighting, angle, and expression, ideally both relaxed and frowning. A smoothed forehead at rest means little if the "after" never shows the patient animating. Red flags: an over-arched "Spock" brow, a heavy flat brow from over-treating the forehead, or an "after" that also received filler or resurfacing without disclosure; deep lines etched at rest don't fully erase with toxin alone. Dysport is FDA-approved for frown lines between the brows; forehead and crow's feet treatment is off-label, which is legal and routine. Its units aren't interchangeable with Botox's: roughly 2.5-3 Dysport units equal 1 Botox unit, so a "50-unit" Dysport dose isn't a large one. Ask to see patients with your line pattern and muscle strength.
Dysport usually starts working in 2 to 5 days, with most people noticing softening by day 3. Full effect takes about 10 to 14 days. That onset is slightly faster than Botox, which typically begins in 3 to 5 days and peaks at two weeks.
The enzyme has to bind nerve endings and block acetylcholine release, which is why nothing happens immediately. Onset varies with dose, the muscle treated, and your own metabolism; strong muscles, such as a heavy frown complex, can take the full two weeks to relax. Don't judge your result or ask for more product before day 14, because chasing an incomplete effect is how people end up overtreated and frozen. If a line is still moving at two weeks, that is the point to book a touch-up. Mild headache, a heavy-feeling brow, or small bruises in the first days are common and settle. Eyelid or brow droop is uncommon, appears in the first week or two, and resolves as the toxin wears off.
Dysport typically lasts 3 to 4 months, and some people get closer to 5 months in the frown lines. That's comparable to Botox and Xeomin. The effect fades gradually rather than stopping suddenly, so movement returns over a few weeks rather than overnight.
Duration depends on dose, muscle strength, and metabolism. Underdosing is the most common reason results fade early; strong muscles, a fast metabolism, heavy exercise, and treating a large or mobile area all shorten it. First-timers often report a shorter first round, with duration lengthening after two or three consistent treatments as the muscle deconditions. Most people retreat every 3 to 4 months. Rarely, someone develops neutralizing antibodies and stops responding; very high doses and short intervals between sessions may raise that risk, which is one reason injectors discourage frequent top-ups. If your Dysport reliably wears off in six weeks, the likely answers are dose or technique, not your biology, and it's worth discussing with your injector.