Short answer: Botox and fillers are both injectables, but they do opposite jobs. Botox relaxes the muscles that crease your skin when you move, so lines like forehead wrinkles and crow’s feet soften. Dermal fillers add volume under the skin to plump lips, restore cheeks, and smooth deeper folds. Botox stops motion; fillers restore fullness. Most people who want a refreshed look end up using a little of each, and here’s how to tell what you actually need.
What Botox actually does
Botox is a neuromodulator, which is a fancy way of saying it briefly relaxes a muscle. When you inject a tiny amount into the small muscles that scrunch your forehead or crinkle the corners of your eyes, those muscles stop pulling as hard. The skin over them stays smoother because it isn’t being folded hundreds of times a day. That’s why Botox works best on dynamic wrinkles, the ones that appear when you make expressions.
The classic areas are frown lines between the brows, horizontal forehead lines, and crow’s feet. There are also treatments people don’t always associate with Botox: a lip flip that relaxes the upper lip for a fuller look without filler, and masseter Botox that slims a strong jaw and eases clenching. That last one overlaps with dentistry, since the same injections that soften the jawline also relieve TMJ and jaw-clenching pain, which is one advantage of getting it done somewhere that understands your bite. Our Botox page covers the cosmetic side in more detail.
What dermal fillers do
Fillers take the opposite approach. Instead of relaxing a muscle, they add volume. Most modern fillers are made of hyaluronic acid, a substance your body already produces, which makes them both natural-feeling and reversible. Injected under the skin, they physically plump and lift the area.
That makes fillers the tool for anything caused by lost volume rather than movement. Thin lips get fuller and better defined. Flattened cheeks get lifted. The deeper folds that run from the nose to the mouth get softened. Under-eye hollows can be filled to look less tired. If your main goal is plumper lips, our lip filler page walks through what to expect. The key mental model: if the problem shows up when your face is at rest, filler is usually the answer; if it shows up when you move, that’s Botox territory.
Botox vs fillers at a glance
| Botox | Dermal fillers | |
|---|---|---|
| What it does | Relaxes muscles | Adds volume |
| Best for | Movement wrinkles | Lost volume, thin lips |
| Common areas | Forehead, frown lines, crow’s feet, jaw | Lips, cheeks, folds, under-eyes |
| Results show | 3–7 days | Right away |
| How long it lasts | 3–4 months | 6–18+ months |
| Downtime | Minimal | Minor swelling or bruising possible |
| Reversible | Wears off on its own | Can be dissolved (HA fillers) |
How long each one lasts
This is where the two really diverge. Botox is the shorter of the two, usually holding for three to four months before the muscle gradually wakes back up and you book a touch-up. Fillers last longer and the range is wide, from about six months to well over a year and a half, depending on the product and where it goes. Lips tend to metabolize filler faster because they move constantly, while cheek filler can last the longest. Neither is permanent, which most people consider a feature, not a bug: your face eases back over time and you stay in control of the look.
Cost of Botox vs fillers in New Jersey
They’re priced in completely different ways, which trips people up. Here’s the typical 2026 picture in New Jersey. These are general market ranges, not a quote for your treatment.
| Treatment | How it’s priced | Typical NJ cost |
|---|---|---|
| Botox | Per unit (~$10–$20/unit) | $200 – $700 per session |
| Dermal filler | Per syringe | $600 – $1,200 per syringe |
Botox cost depends on how many units your areas need, which is why a forehead-only treatment costs less than doing the whole upper face. Filler cost depends on how many syringes it takes to get the result you want, and lips often need just one. Because fillers last longer, the higher per-visit price can work out similar over a year. We’ll map out a plan and give you a firm number at the consult, with no pressure to do more than you came for.
Which one do you need, or should you combine them?
Honestly, a lot of people benefit from both, because aging happens in two directions at once: muscles crease the upper face while volume drains from the lower face. A very common plan is Botox up top to smooth the forehead and eyes, plus filler in the cheeks or lips to restore fullness, all in one visit. Some people call that a liquid facelift. If you’re only bothered by lines when you frown, you might just need Botox. If your lips have thinned or your cheeks look flat, filler alone might do it. There’s no single right combination, only the one that fits your face, which is exactly what a consultation is for.
The dental spa advantage
Here’s something worth knowing: dentists and their teams are, by training, experts in facial anatomy. The muscles, nerves, and proportions of the lower face are their daily work. That makes a dental spa a natural home for injectables, especially around the mouth, jaw, and lips where precision really shows. It also means treatments like masseter Botox for jaw clenching or a lip flip can be planned with your bite and your smile in mind, not just the surface. If a fuller smile is the bigger goal, injectables also pair well with facial rejuvenation and other skin treatments on the aesthetic side.
Safety, side effects, and choosing an injector
Both treatments have a long track record and, in trained hands, a strong safety profile. The most common side effects are minor and short-lived: a little redness or a small bruise at the injection site, occasional mild swelling with filler, and rarely a temporary headache with Botox. The single biggest factor in a good result and a safe one is who’s holding the needle. Injecting the right product, in the right amount, in the right spot takes real skill and anatomical knowledge, which is why it’s worth choosing an experienced provider over the cheapest deal you can find. Ask who’s performing the treatment and how often they do it.
See what fits your face in Pennsauken
The best way to decide between Botox, fillers, or a mix is to have someone look at your face and listen to what you actually want to change. Book a consultation at AZ Dental Spa and we’ll talk through your goals, explain what each option would and wouldn’t do for you, and give you a clear plan and price, with zero pressure.
Book a consultation · Call (856) 661-9191
Botox vs fillers: quick answers
What’s the main difference?
Botox relaxes muscles to smooth movement wrinkles. Fillers add volume to plump lips, cheeks, and folds. Different jobs, often used together.
Which lasts longer?
Fillers. Botox lasts about three to four months; hyaluronic acid fillers last roughly six months to over a year and a half.
Can I get both at once?
Yes. A common plan is Botox in the upper face and filler in the mid and lower face in the same visit.
Do they hurt?
Only a quick pinch. Botox is nearly painless, and fillers use numbing cream plus a built-in anesthetic for comfort.
How much do they cost in NJ?
Botox is about $200 to $700 per session; fillers are roughly $600 to $1,200 per syringe. Your plan sets the exact number.
Are they permanent?
No, both wear off gradually. Hyaluronic acid fillers can also be dissolved early if you want them reversed.
