Dermal Fillers vs. Botox: Understanding the Difference

Botox and dermal fillers are often mentioned in the same breath, and it’s easy to assume they do the same thing. They don’t. They solve different problems, and understanding the difference is the key to getting a natural result. In fact, many of our patients use both, because together they address the two main ways a face ages: movement and volume loss.

The simplest way to tell them apart

Botox relaxes muscles. Filler restores volume. Botox softens the lines that appear when you move your face, like frown lines and crow’s feet, by gently relaxing the muscles underneath. Filler replaces the volume and structure that fade over time, plumping lips, restoring cheeks, and smoothing deeper folds. One quiets movement, the other rebuilds support.

Botox vs. filler at a glance

When you’d choose Botox

If your main concern is lines that show up when you frown, raise your brows, or smile, Botox is usually the answer. It’s also the go-to for preventative treatment in your 20s and 30s, softening expression before those lines settle in permanently.

When you’d choose filler

If your concern is thinning lips, flatter cheeks, a less defined jawline, or deeper smile lines, filler is the tool. It rebuilds the structure and volume that create a youthful, balanced face. Our facial balancing guide explains how strategic filler placement can refresh the whole face.

Why many patients use both

Aging happens in more than one way at once, so the most natural results often come from combining the two. Botox smooths the upper face while filler restores volume below, and the result is a refreshed version of you rather than a single “treated” area. We cover how to think about a full plan in our guide to building your treatment plan.

Are they safe?

Both Botox and hyaluronic acid fillers have long, well-established safety records when performed by a trained medical provider, which is the single most important factor. Botox has been used cosmetically for decades, and modern fillers have the reassuring advantage of being reversible, since hyaluronic acid can be dissolved if you ever want to adjust your result. Temporary side effects like mild swelling, redness, or a small bruise are normal and short-lived. Serious complications are rare and are largely avoided by choosing an experienced injector who understands facial anatomy. That’s why we always recommend having these treatments done in a medical setting rather than chasing the lowest price. You can read more in our guide on whether dermal fillers are safe.

What each costs

At AMMA, Botox is $14 per unit, and filler starts at $700 per syringe. For full breakdowns, see our Botox cost guide and filler cost guide. Not sure which you need? That’s exactly what a consultation is for. Book one here, or explore injectables at AMMA.

Frequently Asked Questions

What is the difference between Botox and filler?

Botox relaxes the muscles that cause expression lines, while dermal filler restores lost volume in areas like the lips, cheeks, and jawline. They solve different problems.

Can I get Botox and filler at the same time?

Yes, and many patients do. Botox smooths the upper face while filler restores volume below, which often gives the most natural, balanced result.

Which lasts longer, Botox or filler?

Filler generally lasts longer, from 6 to 18 months depending on the area, while Botox typically lasts three to four months.

Which is more expensive?

At AMMA, Botox is $14 per unit and filler starts at $700 per syringe. Your total depends on how much of each you need, which your provider confirms at your consultation.

Reviewed by the AMMA Aesthetics Medical Team.