UK Aesthetic Advertising Rules — What Clinic Owners Need to Know
The thing that surprised me most when I started auditing aesthetic clinic marketing was not the broken websites or the abandoned Google Business Profiles. It was the number of clinics running adverts and publishing social media content that could land them in front of the ASA — without any idea that was the case.
I’m not talking about deliberate deception. Nobody is consciously making false promises about their treatments. The problem is subtler: phrases that sound completely normal in the industry — phrases your sales rep told you, phrases you saw a competitor use — can breach the Advertising Standards Authority’s CAP Code when applied to a medical cosmetic treatment. And the rules for injectables and laser procedures are not the same as the rules for facials.
Most clinic owners I speak to have never read the CAP Code. Most don’t know the ASA runs a searchable database of every upheld complaint against UK advertisers — a permanent record, publicly accessible, indexed by Google. A single complaint, filed by a competitor or an unhappy patient, can produce a ruling that sits on the ASA’s website for years and appears when someone searches your clinic’s name.
Why this matters for your business
An ASA ruling is not a fine. There is no penalty payment. But it is public, it is permanent, and search engines index it. I have seen clinics have patients mention a ruling in one-star Google reviews months after the original decision. That is a Reputation problem (R2 in the framework) that started as an advertising problem.
There is also a practical ad-platform issue. Meta and Google both pull adverts that trip certain claim types — particularly around “results”, “permanent”, and prescription treatments. If your Facebook campaign keeps getting rejected without explanation, the reason is almost always that your copy is tripping a rule the platform and the ASA agree on.
Since October 2023, when the Botulinum Toxin and Dermal Fillers Act came into force in England, the regulatory environment tightened further. Your marketing now needs to accurately reflect who administers your treatments and what qualifications they hold.
None of this should stop you marketing. It should make you more deliberate about what you say — and more confident once you have got it right.
1. Before-and-after images — the highest-risk area
This is where the most complaints originate. The ASA is not opposed to before-and-after photography. What it challenges is presentation that implies typical results.
The relevant rule is CAP Code 12.1: marketing for cosmetic services must not suggest that consumers generally achieve results equivalent to those depicted. If your Botox before-and-after shows a transformation that most patients would not achieve, you must state clearly that individual results vary.
In practice:
- Every before-and-after image on your website, adverts, and social channels needs an explicit disclaimer — “individual results may vary.”
- You cannot use your most dramatic result without context.
- If your ad uses a model or stock image rather than a real patient result, that distinction should be stated.
Meta has its own restrictions on before-and-after cosmetic content, independent of the ASA, which it introduced in 2023. Even if your image would pass an ASA review, Meta’s automated systems may reject it on sight. Both sets of rules apply simultaneously, and neither waits for a formal complaint before acting.

2. Treatment claims — what you can and cannot say
“Clinically proven” requires clinical evidence. If you are using this phrase about a treatment or product, the ASA can ask you to supply it. Most clinics cannot.
“Guaranteed results” is almost always a breach. Results in medical aesthetics depend on patient anatomy, lifestyle, and aftercare. You cannot guarantee what you cannot control.
“Removes wrinkles permanently” is a claim. Wrinkle-relaxing treatments wear off. “Reduces the appearance of wrinkles” is accurate. “Permanent” is not.
“Reverses ageing” is a medical efficacy claim and needs substantiation. “Anti-ageing treatment” is contextually acceptable. “Reverses the ageing process” requires evidence you almost certainly do not have.
What you can say safely: the name of the treatment, what it does mechanically, who administers it, and an honest description of what patients typically experience — with the disclaimer that individual results vary.
3. Prescription treatments — naming your practitioners
The Botulinum Toxin and Dermal Fillers Act, which came into force in England in October 2023, means that botulinum toxin — the active substance in Botox, Azzalure, Bocouture, and others — can only be administered in England by, or under the supervision of, a registered healthcare professional who is an independent prescriber.
Your marketing needs to reflect this. An advert that says “Botox treatment — book now” with no indication that a qualified prescribing practitioner is involved can attract a complaint on the grounds that it presents a prescription-only procedure as if it were routine.
What accurate copy looks like: “Botulinum toxin administered by our prescribing nurse [Name], Level 7 qualified.” This is both compliant and confidence-building. Patients increasingly know to ask about qualifications. If your adverts are vague, the clinic that names its practitioners will win the booking. That is the E in S.E.L.F. — trust visible enough to do the selling for you.
4. Email and SMS marketing — GDPR and PECR
Two rules that catch clinics regularly.
Soft opt-in. Under the Privacy and Electronic Communications Regulations, you can send marketing messages to existing customers — but only for similar products or services, and only if you gave them a clear chance to opt out when you first collected their details. If your booking system took an email address purely to confirm appointments, that is not marketing consent.
Pre-GDPR lists. If you collected patient emails before May 2018 and have not obtained explicit consent since, those contacts cannot legally receive marketing campaigns. Running an email campaign to a pre-GDPR list risks an ICO investigation — a different and more serious problem than an ASA complaint.
Practical check: open your email platform and look at the consent source and date for each contact. If that information is not there, pause outbound campaigns until it is.

5. Influencer posts — your liability, not just theirs
If you provide a treatment to an influencer in exchange for social media content — whether you explicitly request the post or it is an understood arrangement — that post is an advertisement. Under ASA rules, it must be labelled #ad or #gifted.
If the influencer does not label it correctly and you repost it on your own channels, you have amplified a non-compliant advertisement. The ASA holds the brand jointly liable for endorsements made on its behalf.
I have spoken to clinic owners who had no idea they were responsible for a gifted-treatment post they had been reposting for six months. One complaint and the ruling names your clinic.
Fix: any treatment provided in exchange for social content is a commercial arrangement. Agree in writing that all posts must be labelled correctly before you proceed. Keep that agreement.
What to do this week
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Search your clinic name on the ASA’s adjudication database. Go to asa.org.uk and click “Adjudications.” If a ruling already names you, you need to know what was upheld and whether the practice has stopped.
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Check your three most-seen social posts. Does any contain a results claim without a disclaimer? Does any say “guaranteed” or “permanent”? Does any show a before-and-after without “individual results may vary”? Add the disclaimer or take the post down.
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Check your email list for consent status. If your email platform does not show the source and date of each contact’s consent, that is the problem to fix before the next campaign.
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Review active influencer arrangements. Check that recent posts are labelled correctly. If they are not, message the influencer today and put a written agreement in place for future gifted treatments.
None of this requires a solicitor to resolve. It requires one afternoon, the CAP Code (free to read at asa.org.uk), and the willingness to check what you have already published against it.
Surinder Ahitan grew the CoLaz aesthetic clinic group from one location to nine across the UK in six years — almost entirely through SEO and well-built websites. He has worked in UK aesthetics for over 20 years. If you want a free audit of your clinic’s website and digital presence, the free audit takes 15 seconds and lands in your inbox five minutes later.