Botox or Fillers — Which to Train in First?
Practitioner Guide — 2026
Botox or Fillers —
Which Should You
Train in First?
It is the first question almost every practitioner entering aesthetic medicine asks. Most of the answers they find online are vague, commercial, or both. This is the honest clinical answer — including the one factor that should settle it for you.
If you search “Botox or fillers first” you will find a great many training academies telling you to book their next available course. That is not an answer — it is a sales strategy. The genuinely useful answer is more nuanced, and it starts with understanding what these two treatments actually are, what makes them different, and what each one demands of the practitioner who delivers it.
We will go through both treatments across six factors: difficulty, risk, patient demand, earning potential, regulatory requirements, and how each one builds towards the other. At the end, we will give you four practitioner profiles and tell you which course to take first based on your specific situation.
“The question is not which treatment is better. Both are excellent. The question is which one gives you the foundation, the confidence, and the patient base to build the most effective aesthetic practice from day one.”
— Dr Philippe Hamida-Pisal, PHP Training Academy — 22 Harley Street, London
First — What Are We Actually Talking About?
Botulinum Toxin (Botox®)
Neuromuscular injectable — relaxes muscle activity
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Works by blocking the signal between nerve and muscle — preventing the muscle contractions that cause dynamic wrinkles (lines that appear with movement)
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Results are temporary — typically 3–4 months — and fully reversible as the toxin naturally breaks down
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Primary treatment areas: forehead, glabella (between brows), crow’s feet, brow lift, bunny lines, lip flip, jaw slimming (masseter), neck bands (platysma)
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Prescription-only medicine in the UK — must be prescribed by an authorised prescriber before administration
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Does not add volume or change facial structure — it reduces movement to soften lines
Dermal Fillers
Injectable gel — restores volume and structure
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Hyaluronic acid (HA) gel injected into or beneath the skin to restore volume, define structure, or smooth static lines (lines present at rest)
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Reversible with hyaluronidase enzyme — this is both a safety advantage and a skill requirement for every practitioner who uses HA fillers
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Primary areas: lips, nasolabial folds, marionette lines, cheeks, tear trough, jawline, chin, non-surgical rhinoplasty
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Higher inherent risk than Botulinum Toxin — vascular occlusion from misplaced filler can cause skin necrosis and, in rare cases, vision loss
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Adds volume and changes structure — results are immediately visible and last 6–18 months depending on product and location
Six Factors — Botulinum Toxin vs Dermal Fillers
Factor 1 — Technical Difficulty
★ Botulinum Toxin is easier to learn
Botulinum Toxin injection is technically simpler than dermal filler injection. The injection points for the standard beginner areas — forehead, glabella, crow’s feet — are relatively well-defined anatomically, the volumes are small, and the technique is consistent across most patients. A practitioner with a good grasp of facial anatomy and proper injection training can develop consistent, safe technique in the standard areas relatively quickly.
Dermal filler injection is more technically demanding. The technique varies by area, by product viscosity, by depth of placement, and by the specific correction being made. The lips require a completely different technique from the cheeks, which require a different technique from the tear trough. The skill set for fillers is genuinely broader, and the margin for error — particularly in high-risk areas — is narrower. This is not a reason to avoid fillers. It is a reason to build your injectable foundation with Botulinum Toxin first.
Dermal filler injection is more technically demanding. The technique varies by area, by product viscosity, by depth of placement, and by the specific correction being made. The lips require a completely different technique from the cheeks, which require a different technique from the tear trough. The skill set for fillers is genuinely broader, and the margin for error — particularly in high-risk areas — is narrower. This is not a reason to avoid fillers. It is a reason to build your injectable foundation with Botulinum Toxin first.
Factor 2 — Clinical Risk Profile
★ Botulinum Toxin carries lower risk
The most serious complication in aesthetic injectable medicine is vascular occlusion — filler accidentally injected into or compressing a blood vessel, cutting off circulation to the tissue it supplies. In the worst cases this causes skin necrosis. In the rarest and most serious cases, particularly involving the nose and periorbital region, it can cause vision loss. This complication is specific to dermal fillers. It does not occur with Botulinum Toxin.
The complications of Botulinum Toxin — bruising, asymmetry, unwanted spread to adjacent muscles, ptosis (eyelid drooping) — are all temporary and resolve without intervention as the toxin wears off. They are unpleasant for the patient and professionally embarrassing for the practitioner, but they are not clinically dangerous in the way that vascular occlusion can be.
This is not a counsel of fear about fillers — vascular occlusion is rare and becomes rarer still with proper anatomical training, correct technique, and appropriate patient selection. It is simply an acknowledgement that the risk profile of dermal fillers makes a strong anatomical foundation and injection experience all the more important before you begin.
The complications of Botulinum Toxin — bruising, asymmetry, unwanted spread to adjacent muscles, ptosis (eyelid drooping) — are all temporary and resolve without intervention as the toxin wears off. They are unpleasant for the patient and professionally embarrassing for the practitioner, but they are not clinically dangerous in the way that vascular occlusion can be.
This is not a counsel of fear about fillers — vascular occlusion is rare and becomes rarer still with proper anatomical training, correct technique, and appropriate patient selection. It is simply an acknowledgement that the risk profile of dermal fillers makes a strong anatomical foundation and injection experience all the more important before you begin.
Factor 3 — Patient Demand
▬ Both are equally in demand
Botulinum Toxin is the most performed non-surgical aesthetic procedure in the UK and globally. By volume of treatments, it leads every other injectable by a significant margin. Every aesthetic practice that offers Botulinum Toxin has a steady flow of patients seeking it.
Dermal fillers are close behind and growing rapidly — driven particularly by demand for lip augmentation, jawline definition, and the newer regenerative filler applications. The market for both treatments is large, active, and continuing to grow.
Patient demand should not be the deciding factor in which you train in first — both treatments have more than enough demand to build a practice on. What matters is which one you can deliver safely and confidently from day one of your practice.
Dermal fillers are close behind and growing rapidly — driven particularly by demand for lip augmentation, jawline definition, and the newer regenerative filler applications. The market for both treatments is large, active, and continuing to grow.
Patient demand should not be the deciding factor in which you train in first — both treatments have more than enough demand to build a practice on. What matters is which one you can deliver safely and confidently from day one of your practice.
Factor 4 — Earning Potential
★ Dermal Fillers offer higher per-treatment revenue
Per treatment session, dermal fillers generally command higher fees than Botulinum Toxin. A Botulinum Toxin treatment for three areas typically costs £200–350 in London. A single syringe of dermal filler for lips typically costs £350–500. A full facial filler assessment treating multiple areas can reach £1,000–2,000 or more at premium practices.
However, Botulinum Toxin has an advantage that fillers cannot match: it drives return visits every 3–4 months, reliably and indefinitely. A patient who trusts you with Botulinum Toxin three or four times a year is worth £600–1,400 per year in repeat bookings alone — before they book additional treatments. The lifetime value of a loyal Botulinum Toxin patient often exceeds that of a one-time filler patient.
The most commercially successful aesthetic practices do both. But if you are starting from zero, Botulinum Toxin’s repeat booking cadence builds a more predictable practice revenue base in the early months.
However, Botulinum Toxin has an advantage that fillers cannot match: it drives return visits every 3–4 months, reliably and indefinitely. A patient who trusts you with Botulinum Toxin three or four times a year is worth £600–1,400 per year in repeat bookings alone — before they book additional treatments. The lifetime value of a loyal Botulinum Toxin patient often exceeds that of a one-time filler patient.
The most commercially successful aesthetic practices do both. But if you are starting from zero, Botulinum Toxin’s repeat booking cadence builds a more predictable practice revenue base in the early months.
Factor 5 — Regulatory Requirements
★ Dermal Fillers have fewer regulatory barriers to start
Botulinum Toxin is a Prescription-Only Medicine (POM) in the UK. This means it must be prescribed by a qualified prescriber — a doctor, nurse prescriber, pharmacist prescriber, or dentist with prescribing rights — before it can be administered. If you are a prescriber yourself, this is straightforward. If you are not, you need a prescribing arrangement with a qualified prescriber before you can administer Botulinum Toxin legally.
Hyaluronic acid dermal fillers are not currently classified as POMs in the UK (though this regulatory position is expected to change under legislation currently being implemented). This means the prescribing barrier to starting a filler practice is currently lower for non-prescribers.
If you are not a prescriber, this regulatory difference is relevant to your decision. In practice, many non-prescribing practitioners arrange prescriber partnerships relatively easily — but it is a step that must be completed before your first Botulinum Toxin patient, and it is worth factoring into your planning timeline.
Hyaluronic acid dermal fillers are not currently classified as POMs in the UK (though this regulatory position is expected to change under legislation currently being implemented). This means the prescribing barrier to starting a filler practice is currently lower for non-prescribers.
If you are not a prescriber, this regulatory difference is relevant to your decision. In practice, many non-prescribing practitioners arrange prescriber partnerships relatively easily — but it is a step that must be completed before your first Botulinum Toxin patient, and it is worth factoring into your planning timeline.
Factor 6 — How Each Builds Towards the Other
★ Botulinum Toxin builds the better foundation
This is arguably the most important factor for the long-term development of your practice — and the one most often overlooked in the Botox vs fillers debate.
Botulinum Toxin training teaches you how to read a face. You learn to assess facial symmetry, to identify the muscles responsible for specific lines and expressions, and to understand how movement — and the reduction of movement — changes the way a face looks. This assessment skill directly improves your filler work, because filler placement depends on the same understanding of facial structure and balance.
Botulinum Toxin also develops the hand skills — needle control, depth consistency, injection confidence — that make your filler technique more precise. The transition from Botulinum Toxin training to dermal filler training is smoother, faster, and clinically more logical than going in the other direction.
Practitioners who start with fillers and add Botulinum Toxin later often comment that the Botulinum Toxin feels straightforward by comparison. Practitioners who start with Botulinum Toxin and then move to fillers arrive with better facial assessment skills and more injection confidence than they would have had starting from scratch.
Botulinum Toxin training teaches you how to read a face. You learn to assess facial symmetry, to identify the muscles responsible for specific lines and expressions, and to understand how movement — and the reduction of movement — changes the way a face looks. This assessment skill directly improves your filler work, because filler placement depends on the same understanding of facial structure and balance.
Botulinum Toxin also develops the hand skills — needle control, depth consistency, injection confidence — that make your filler technique more precise. The transition from Botulinum Toxin training to dermal filler training is smoother, faster, and clinically more logical than going in the other direction.
Practitioners who start with fillers and add Botulinum Toxin later often comment that the Botulinum Toxin feels straightforward by comparison. Practitioners who start with Botulinum Toxin and then move to fillers arrive with better facial assessment skills and more injection confidence than they would have had starting from scratch.
At a Glance — The Full Comparison
| Botulinum Toxin | Dermal Fillers | |
|---|---|---|
| Technical difficulty | Lower — more consistent technique across patients | Higher — technique varies by area, product, and correction |
| Serious complication risk | Lower — complications are temporary and self-resolving | Higher — vascular occlusion risk requires anatomical training |
| Patient demand | Very high — highest volume aesthetic treatment in the UK | Very high — rapidly growing, especially lips and jawline |
| Fee per session | Lower — typically £200–350 for standard areas | Higher — typically £350–500+ per syringe |
| Repeat booking frequency | Every 3–4 months — strongest retention driver in aesthetics | Every 6–18 months — lower frequency by nature |
| Regulatory barrier (non-prescribers) | Higher — POM requires prescriber arrangement | Currently lower — HA fillers not currently POM classified |
| Foundation for other treatments | Stronger — facial assessment skills transfer to fillers, mesotherapy, all injectables | Weaker standalone foundation — less transferable assessment framework |
| Recommended first course? | Yes — for most practitioners | Yes — for specific situations (see below) |
Which One Is Right for You — Four Practitioner Profiles
The right answer depends on your existing background, your clinical goals, and your regulatory position. Here are four common practitioner profiles and our recommendation for each.
You are a GP, hospital doctor, or senior nurse with injectable experience (vaccinations, IV cannulation)
You already have injection confidence and anatomical knowledge. The technical step to Botulinum Toxin is manageable and the regulatory pathway (as a prescriber or with prescriber access) is straightforward. Botulinum Toxin first gives you an immediately bookable treatment, builds your facial assessment skills, and provides the recurring revenue foundation of a growing practice. Add fillers within 6–12 months.
▶ Train in Botulinum Toxin first
You are a nurse or aesthetician without prescribing rights and without an established prescriber partner
Without a prescribing arrangement in place, you cannot administer Botulinum Toxin legally until that arrangement is sorted. Dermal fillers (HA) are currently accessible without a prescriber for non-POM products. Starting with fillers while you arrange your prescriber partnership means you can begin treating patients sooner. Add Botulinum Toxin as soon as your prescriber arrangement is confirmed.
▶ Train in Dermal Fillers first (while arranging prescriber)
You have a specific patient demand — your patients are specifically asking for lip augmentation or jawline fillers
If your existing patient base or your intended market has a clear and specific filler demand — particularly for lips, which is the most requested single aesthetic treatment among younger patients — starting with fillers means you can begin generating revenue from that demand immediately. Ensure you complete a solid anatomy foundation alongside or before your filler training, and add Botulinum Toxin within 6 months.
▶ Train in Dermal Fillers first (with anatomy training)
You are completely new to aesthetics with no injectable background and no clear patient demand yet
Start with Botulinum Toxin. It is technically more accessible, clinically lower risk, and builds the facial assessment and injection skills that will make your subsequent filler training more effective. It generates consistent repeat bookings that build your practice revenue predictably. It is the most commonly requested first aesthetic treatment and the most straightforward to market to a new patient base. This is the most common situation — and Botulinum Toxin first is the right answer for most practitioners in it.
▶ Train in Botulinum Toxin first
The Real Answer — Both, in the Right Order
The Botox vs fillers debate is ultimately a false choice. Every successful aesthetic practitioner offers both. The question is only which one to start with — and the answer, for most practitioners in most situations, is Botulinum Toxin first.
But “first” does not mean “instead of.” The practitioners who build the most clinically excellent and commercially successful aesthetic practices are those who develop genuine competence across both modalities — and then extend into the regenerative injectables (mesotherapy, polynucleotides, exosomes) that represent the frontier of aesthetic medicine in 2026.
The PHP Training Academy Recommended Learning Pathway
From first injection to full injectable practice
Botulinum Toxin Beginners
→
Dermal Fillers Beginners
→
Advanced Fillers
→
Mesotherapy
→
Polynucleotides
→
Exosomes
One Final Thought
The practitioners we have trained who are most successful clinically and commercially are not those who trained in the most treatments fastest. They are those who took each training course seriously, practised each technique to a high standard with real patients before moving to the next course, and built their practice on quality rather than volume. Whatever you train in first — do it properly, before you move on.
PHP Training Academy — 22 Harley Street, London
Train in Botulinum Toxin or Dermal Fillers — or both
CPD accredited injectable training at 22 Harley Street, London. Expert trainers. Small groups. Hands-on practice with live models. Post-course support included. Not sure which course to start with? Contact us and we will advise based on your specific background and goals.
contact@phptrainingacademy.com · +44 (0)7917 785 695 · 22 Harley Street, London W1G 9PL
