Injectables for Dynamic Wrinkles: Types Explained
Injectables for Dynamic Wrinkles: Types Explained
Quick answer: Dynamic wrinkles are best treated with neuromodulators, which are injectable products made from botulinum toxin type A that relax the muscles causing the lines. The main options are Botox Cosmetic, Dysport, and Jeuveau, all offered at My Skin. Dermal fillers are a different type of injectable that add volume, so they're usually used for static wrinkles and lost fullness, not movement lines.
If you've ever looked into wrinkle injections, you've probably run into a pile of brand names and wondered whether they're all the same thing. The short version is that they're more alike than different, and the real question is which product and which type of injectable fits the kind of wrinkle you have.
First, What Are Dynamic Wrinkles?
Dynamic wrinkles are lines that form from repeated facial movement, like frowning, squinting, or raising your eyebrows. You can usually spot them because they show up or deepen when you make an expression and soften when your face is at rest. The most common ones are forehead lines, the "11s" between the brows, and crow's feet around the eyes.
That's different from static wrinkles, which are visible even when your face is completely still. Those are usually caused by volume loss, sun damage, and collagen breakdown over time. The difference matters, because the right injectable depends on which one you're treating.
Neuromodulators: The Main Injectables for Dynamic Wrinkles
Neuromodulators work by blocking the nerve signal to a targeted muscle, so it can't contract as strongly. Less muscle movement means softer lines. According to the American Board of Cosmetic Surgery, these products all contain botulinum toxin type A and address the same concerns, but their formulations differ, which can affect how far the product spreads and how quickly results appear.
Here are the three neuromodulators My Skin offers:
Botox Cosmetic. The original and best known option. It's a reliable choice for forehead lines, frown lines, and crow's feet, and has the longest track record.
Dysport. A close relative of Botox that some patients find spreads a little more, which can make it a nice fit for larger areas like the forehead. Some people notice results a bit sooner.
Jeuveau. A newer neuromodulator made specifically for cosmetic use, popular for frown lines, with a look and feel similar to traditional Botox.
Other FDA approved brands exist, but these three cover most patients' needs at My Skin. If you want to read more about two of them, My Skin has detailed guides on Dysport and Jeuveau.
How Do Botox, Dysport, and Jeuveau Compare?
For most people, the differences are small. Results typically take about 3 to 7 days to start showing and settle in over about two weeks. They usually last around three to four months, and sometimes longer. Which one is best for you often comes down to the area being treated, how your muscles move, and how you've responded to a product before, which is why a provider's recommendation matters more than the brand name.
What About Dermal Fillers?
Fillers are injectables too, but they work in a completely different way. Made from ingredients like hyaluronic acid, they restore volume and smooth lines by filling them in, rather than relaxing a muscle. That makes them a better fit for static wrinkles, nasolabial folds, hollowing, and lip or cheek volume.
Many patients end up using both. A neuromodulator can soften the movement that creates the line, and filler can address any volume loss that's left behind. That combination often looks more natural than either one alone.
Which Injectable Is Right for Your Wrinkles?
Lines that appear when you move your face: a neuromodulator like Botox, Dysport, or Jeuveau.
Lines you can see at rest or folds from volume loss: usually dermal filler.
A bit of both: a combination plan, tailored to your face.
My Skin's antiwrinkle injections page lists the areas Leah treats, including the forehead, brow area, crow's feet, frown lines, chin, jawline, and neck bands.
What to Expect at My Skin
Leah Michel, APRN, FNP-BC is a board certified nurse practitioner and master aesthetic injector. Every treatment starts with a paid, thorough consultation where she looks at how your muscles move, where your lines are coming from, and what you want to change, before recommending a product and a plan. That time up front is what keeps results looking like you, just a little more rested.
My Skin is a full dermatology practice, so you're seen by a provider who understands your skin as a whole, with offices in both St. Petersburg and Bradenton.
Frequently Asked Questions
What are the different types of injectables for dynamic wrinkles?
The main type is neuromodulators, which include Botox Cosmetic, Dysport, and Jeuveau. They relax the muscles that cause expression lines. Dermal fillers are a separate type of injectable used mostly for static wrinkles and volume loss.
Which is better for dynamic wrinkles, Botox, Dysport, or Jeuveau?
None is universally better. They work in the same basic way, and the best choice depends on the area being treated and how your muscles respond. A provider can help you choose.
Can filler treat dynamic wrinkles?
Filler isn't the first choice for lines caused by muscle movement, since it doesn't relax the muscle. It can help once a line has become etched in or when volume loss is part of the picture.
How long do wrinkle injections last?
Neuromodulator results generally last about three to four months, though it varies from person to person. Filler can last longer, often six months to a year or more depending on the product and area.
Do wrinkle injections look natural?
They can, when the dose and placement are matched to your face. The frozen look comes from overtreating, not from the product itself.
This blog is for educational purposes only and is not a substitute for professional medical advice. Individual results vary. Always consult a licensed medical provider to determine the right treatment for you.

