The world of aesthetic treatments can be fabulously complicated, and the difference between neurotoxins and fillers is a prime example. For starters, both are injectables and undeniable staples of the modern-aesthetics menu. They both tend to get lumped into the same easy-breezy “I’m thinking of getting work done!” conversation, but the reality is that they solve different problems. Figuring out which one fits your concern isn’t really your job (a qualified injector is best suited to get to the bottom of that), but it doesn’t hurt to go into your consultation with a solid primer on what to expect.
Ahead, three board-certified dermatologists break down how to tell which treatment your concern calls for, where each one is used, what they cost, how long they last and more.
Featured Experts
- Daniel Schlessinger, MD is a board-certified dermatologist in Omaha, NE
- Joel Schlessinger, MD is a board-certified dermatologist in Omaha, NE
- Jody Levine, MD is a board-certified dermatologist in New York
Neurotoxins vs. Fillers: Which Do You Need?
The easiest way to tell neurotoxins from fillers is to think of neurotoxins (the category that includes Xeomin, Botox Cosmetic, Dysport, Jeuveau, Daxxify and Letybo) as the muscle-relaxers and fillers as the volume-restorers. To figure out which camp your concern falls into, pay attention to when it shows up. “If a line becomes more pronounced when you frown, squint or raise your eyebrows, it will generally benefit from a neurotoxin,” says Omaha, NE, dermatologist Daniel Schlessinger, MD. “If the concern is lost volume or a contour you want to enhance, filler may be appropriate,” he adds.
Those are the basics, but naturally, there’s nuance. Neurotoxins can subtly lift some areas, like the brows or neck, by relaxing the muscles that pull them downward, he says. The reverse is true, too. “Fillers volumize, but they also lift,” says New York, NY, dermatologist Jody Levine, MD. “A good injector understands how to use both modalities to get the perfect result.”
Neurotoxins vs. Fillers: Best Areas for Each (and When to Combine Them)
Neurotoxins aren’t just for foreheads anymore. They “used to be reserved for frown lines (the ‘11s’), forehead lines and crow’s-feet. Today they are commonly used across the face and neck, including the masseters, the platysma (the ‘Nefertiti Lift’) and the mouth area (DAO muscle and chin),” says Omaha, NE, dermatologist Joel Schlessinger, MD. “These newer areas are more complex and should be treated only by an experienced professional, such as a board-certified dermatologist.”
Worth knowing: FDA approvals vary by brand. All of the major neurotoxins are approved for frown lines; Xeomin is also approved for forehead lines and crow’s-feet; and Botox Cosmetic covers those areas plus platysma bands, making it the only neurotoxin approved for the neck. Other uses, including the masseters, the DAO muscle and the chin, are considered off-label, meaning a provider is using their medical judgment beyond a product’s approved uses.
Fillers work differently. “Fillers restore volume or definition in areas such as the cheeks, lips and chin, and they are increasingly used on the neck and décolleté as well,” Dr. Joel Schlessinger says.
Like neurotoxins, fillers are FDA-approved area by area, and that list just got longer. Belotero Volume (+) is now approved for the midface and Belotero Intense (+) for the lips, joining Belotero Balance (+), which is approved for facial wrinkles and folds and under-eye hollows. There are also new options for the neck and chest: Radiesse, a calcium hydroxylapatite filler, was approved in April 2026 to treat wrinkles in the décolleté, and Skinvive by Juvéderm became the first hyaluronic acid injectable approved to reduce neck lines two months later. Using a product anywhere outside its approved areas is still off-label, so it’s worth asking your injector which product they plan to use and why.
Whichever area you’re considering, you probably don’t have to choose just one treatment. “We often combine the two when muscle movement and volume loss both contribute, such as selected lines around the mouth, because the pairing tends to improve both the overall result and its longevity,” Dr. Joel Schlessinger adds. “The goal is to address the anatomy behind the concern while preserving natural expression.”
Neurotoxins vs. Fillers: Cost and How Long They Last
“Neurotoxins generally cost less per visit, typically $300 to $1,500 depending on the areas treated and the product used. Results usually last about three to four months, and some newer neurotoxins may last up to six months,” says Dr. Daniel Schlessinger. “How often you return depends on whether you want no movement at all or prefer to let movement gradually return as results fade. A small number of people also become less responsive to neurotoxins with repeated treatment.”
Fillers play the longer game, with a bigger upfront price to match. “Hyaluronic acid fillers usually cost more upfront, from about $500 to several thousand dollars depending on how much volume has been lost. They often provide visible correction for roughly six to 18 months, and some last up to 24 months, depending on the product and location,” he says.
Your age can play a role in filler pricing, though indirectly. “I tell my patients that with fillers, you pay for your age, because facial fat diminishes or descends over time and filler is there to correct that. Neurotoxin costs, on the other hand, don’t change much with age, and many people need fewer units over time,” he says. “Filler should be reassessed before adding more, rather than automatically repeated on a calendar.”
Downtime, Results and How It Feels
If you’re worried neurotoxin injections will hurt, you’re not alone. (I was too.) The sensation is more of a quick sting than real pain. Dr. Joel Schlessinger says the injections “feel like quick pinpricks, usually involve little downtime and begin working within three to seven days, with results generally assessed around two weeks.”
Filler is a little different. “Hyaluronic acid filler produces an immediate change, so you leave with a realistic view of the months ahead. Swelling typically starts an hour or two after treatment and can last a day or so, so I encourage patients to take a good look at their face, especially their lips, right after the appointment,” he says. “That way they won’t worry when the swelling arrives, and it will. Allow about two weeks for filler to fully settle.”
As for comfort, expect a little of each. “Filler can feel like pressure or stinging and tends to be a bit more uncomfortable than neurotoxin, though numbing helps. Both can feel slightly tight or sore for up to a week,” he explains. “Bruising often depends on the injector, and a more experienced injector usually means less of it.”
Neurotoxins vs. Fillers: The TL;DR
Lines that deepen when you move are likely neurotoxin territory, while lost volume, a contour you’d like to enhance or skin that could use a lift leans toward filler. Some concerns call for both. Neurotoxins generally cost less, last about three to four months and need little downtime, while fillers cost more upfront, often last six to 18 months and can mean a day or so of swelling.
Either way, start with a board-certified dermatologist, who can read the anatomy behind your concern, not just the wrinkle. Consider yourself prepped for the appointment (and for your next happy hour chat about it).
