Botox vs Fillers and Other Injectables

A purple-gloved injector steadying a patient’s lower lip while placing a filler syringe at the lip border
Filler adds volume where it is placed. Toxin relaxes the muscle underneath. The lip is one of the few areas where both are used, for different reasons.

The most common and most expensive mistake in aesthetics is buying the wrong category of injectable. Botox and fillers are not competitors, they treat different problems, and no amount of one will fix what the other is for.

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There is a simple test. Make the expression that creates the line, then relax your face. If the line disappears when your face is at rest, it is a dynamic wrinkle caused by muscle movement, and a neurotoxin like Botox is the right tool. If the line is still visible when your face is completely relaxed, it is a static line caused by volume loss or skin change, and no amount of Botox will remove it.

That second group is where fillers, biostimulators and fat-dissolving injectables come in, and they work in genuinely different ways from one another, which the table below sets out.

At a glance

TreatmentWhat it doesBest forHow long it lasts
BotoxRelaxes the muscle so it stops creasing the skinDynamic lines: forehead, frown lines, crow’s feet3–4 months
Dermal fillersAdds physical volume beneath the skinStatic folds, hollows, lip and cheek volumeVaries by product and area
JuvedermHyaluronic acid gel that adds volume and can be dissolvedLips, cheeks, nasolabial foldsVaries by product
Restylane SkinboostersMicro-droplets of hyaluronic acid to improve skin quality rather than add contourSkin hydration and texture, not volumeVaries
SculptraStimulates your own collagen production over monthsGradual, overall volume restorationBuilds over months
ProfhiloSpreads under the skin to hydrate and remodel rather than fillSkin laxity and qualityVaries
KybellaDissolves fat cells permanentlyFat under the chin specificallyPermanent once the fat is gone

How to choose

Your line shows only when you move
That is a dynamic wrinkle. Botox is the right treatment, and filler will not help it.
Your line is there when your face is completely still
That is a static line. It needs volume or collagen, filler, Sculptra or Profhilo depending on the cause, not a neurotoxin.
You want the option to undo it
Hyaluronic acid fillers such as Juvederm and Restylane can be dissolved with an enzyme. Sculptra, Profhilo and Kybella cannot be reversed that way, so they demand a more experienced injector.
You are treating fullness under the chin
Kybella destroys fat cells permanently in the treated area, which is a different proposition entirely from anything Botox or filler does.
You have both kinds of line
Most people do, and combining treatments in one appointment is standard practice. Botox in the upper face and filler lower down is the most common pairing.

Three different jobs, often confused for one

Almost everything in this cluster gets called "injectables", but the products do three genuinely different things, and choosing the wrong category is the most common and most expensive mistake.

Relaxers stop a muscle contracting. Botox is one. They work on lines caused by movement, which is why they help forehead lines and crow's feet but do little for volume loss.

Fillers add volume where tissue has thinned. That is a different problem with a different solution, and it is why Botox versus fillers is the first comparison most people actually need. Juvederm is the hyaluronic acid filler most people have heard of, and it illustrates the category well.

Biostimulators do neither directly. They prompt your own collagen production over months. Sculptra is the best-known example, and Profhilo and Restylane Skinboosters sit nearby, improving skin quality rather than filling a specific line.

The one here that is not really a competitor

Kybella dissolves fat under the chin. It is included in this cluster because people compare it against Botox when researching jawline and profile treatments, but it is doing something neither a relaxer nor a filler does.

In practice these are often combined rather than chosen between, which is why the honest answer to "Botox or filler?" is usually "they treat different things, and you may want both". What matters is that you understand which problem you are actually trying to solve before you pay for either. Our price guide covers what each category typically costs, and the complete Botox guide covers what the relaxer side can and cannot do.

All 25 guides in this category

Dermal FillersCheek Filler Dermal FillersTemple Filler A blue-gloved clinician injecting along the jawline of a woman shown in profileDermal FillersJawline Filler Dermal FillersChin Filler Dermal FillersUnder-Eye and Tear Trough Filler FillersRussian Lips Dermal FillersRestylane Refyne and Defyne Dermal FillersRestylane Lyft Dermal FillersRestylane Kysse Dermal FillersRestylane A black-gloved clinician injecting the mid-cheek and nasolabial area of a reclining woman with a fine needleDermal FillersRadiesse A woman in a white robe studying her own face closely in a mirror, one hand raised to her templeDermal FillersPillow Face A gloved clinician holding a handheld treatment device against the side of a woman’s neck and upper chestFillers and InjectablesSKINVIVE for Neck Lines A close-up of a woman’s cheek as a pale cream is smoothed across it with two fingertips, with the skin texture and pores clearly visibleFillers and InjectablesSKINVIVE by Juvederm Blue-gloved hands holding a prefilled syringe alongside a small glass vialFillers and InjectablesJuvederm A glass pipette of clear serum resting on a dark surface, with no people in frameFillers and InjectablesFiller Complications A fine-gauge graduated syringe held at the outer corner of the mouth, with white marker guide lines drawn on the surrounding skinFillers and InjectablesHow Long Does Lip Filler Last? Two graduated syringes joined by a blue three-way coupler on a white surface, with “discard after use” printed along the barrelsFillers and InjectablesWhat Actually Happens After Filler A black-gloved injector holding a filler syringe against the side of a reclined patient’s nose, with folded gauze held in the other handFillers and InjectablesDermal Fillers A close-up of a syringe being injected into the border of a patient’s upper lipComparisonBotox vs. Fillers: The Comparison Guide A gloved clinician injecting dermal filler into a patient’s lower lip in profileComparisonBotox vs. Juvederm: The Comparison Guide A gloved clinician injecting the mid-face of a reclining patient during a treatmentComparisonBotox vs. Restylane Skinboosters: The Comparison Guide A clinician injecting the cheek of a seated patient who is turned in profileComparisonBotox vs. Sculptra: The Comparison Guide An injection being placed into the skin of a patient’s neck and lower jawlineComparisonBotox vs. Profhilo: The Comparison Guide A clinician in black gloves injecting the lower cheek and jaw area of a patientComparisonBotox vs. Kybella: The Comparison Guide

Frequently asked questions

What is the difference between Botox and fillers?
Botox relaxes the muscle that creases the skin, so it treats lines caused by movement. Fillers add volume under the skin, so they treat lines and hollows that are visible even when your face is at rest. They are different categories of product solving different problems, and many patients use both in the same appointment.
Can I have Botox and filler at the same appointment?
Yes. Combining them is common practice, typically Botox for the upper face and filler for volume lower down. Having both together does not reduce the effectiveness of either.
Which injectables can be reversed?
Hyaluronic acid fillers such as Juvederm and Restylane can be dissolved with hyaluronidase if you dislike the result. Botox is not reversible but wears off in three to four months. Sculptra, Profhilo and Kybella cannot be dissolved, so choose your injector carefully for those.

Other categories

Botox vs Other Neurotoxin Brands24 guides Botox vs Skin Tightening and Energy Treatments7 guides Botox vs Natural Alternatives and Surgery6 guides Botox Guides: Basics, Dosing and Safety24 guides All guidesEvery article on the site

Sources

Every figure on this page was read from the documents below rather than from a clinic or a manufacturer's marketing. They open in a new tab so you can check any claim here against its source.