How to Choose a Safe Aesthetic Clinic in Thailand
How to choose an aesthetic clinic safely: checking the facility licence, verifying the doctor, checking product registration, and the warning signs
Choosing an aesthetic clinic safely starts with three things you can verify yourself before any procedure: the medical facility licence, the practising licence of whoever will perform the procedure, and the registration of the product or device to be used. Checking all three takes very little time, but screens out most of the risk.
Why the choice of clinic matters more than people think
Most aesthetic procedures are medical procedures, not ordinary beauty services. Injecting a substance under the skin, using medical laser devices, and administering fluids intravenously all carry specific risks that require someone able to assess them and be accountable.
An important difference is that the consequences of choosing wrongly here often do not appear immediately. Problems such as infection, vascular occlusion from an injection, darkening that is difficult to correct from unsuitable energy settings, or a product of unknown composition producing a reaction later on, may show up days to months afterwards. By then, tracing the person responsible is considerably harder.
Another point worth knowing is that a licensed medical facility carries several legal obligations from which patients benefit directly: having an accountable operator, maintaining medical records, displaying service rates, and being part of a system in which complaints can be filed and matters investigated. These are precisely what disappears when you choose a provider outside the system.
How to check the medical facility licence
Under the Medical Facility Act, a medical facility must display key information openly and visibly. What to look for on arrival:
- A facility signboard with the licence number, which must match the name used in its publicity
- The licence to operate the medical facility and the licence to manage it
- The list of registered practitioners working there, with the days and hours they actually practise
- Service rates, displayed so you can check them before deciding
If you cannot find these, you can ask to see them directly. Clinics operating correctly usually have no problem with the question. You can also verify further with the Department of Health Service Support, Ministry of Public Health, which regulates private medical facilities, or with the provincial public health office for the area.
One further observation: the name used on social media sometimes does not match the registered name. Comparing the name on the signboard against the name on the documents is therefore a worthwhile step.
How to verify that the person treating you is a doctor
This is where problems arise most often, because many patients do not know that the procedure they are about to have must legally be performed by a doctor.
Procedures that must be performed by a licensed practitioner include injecting any substance into the body — botulinum toxin, fillers, and fat-reducing injections alike — using medical lasers and energy-based devices, administering fluids or vitamins intravenously, and prescribing controlled medicines.
Verification is straightforward: ask for the name and medical licence number of the doctor who will treat you, then check the listing with the Medical Council of Thailand yourself. This question is a patient’s right and is not impolite.
What to watch for are titles that sound similar to a medical qualification but are not one. If you are unsure, ask directly whether the person performing the procedure is a doctor holding a practising licence, and who will manage any complication.
How to check that products and devices are registered
Products injected into the body and medical devices must be registered with the Thai Food and Drug Administration before use in Thailand. The steps you can take yourself:
- Ask for the product name before the procedure, not after it is finished
- Ask to see the box and label showing the product name, registration number and expiry date
- Ask for the product to be opened in front of you, which clinics meeting standards already do
- Verify the registration number through the Thai FDA’s product database
- Ask which model of device will be used, and how many shots or passes you will actually receive
Products imported without registration are a real problem in the market, across fillers, injectables and dermatological products. The risk is not only to the result, but includes ingredients of uncertain composition that may produce reactions over the long term and are difficult to correct.
Warning signs worth considering carefully
The following do not always mean something unlawful, but they are points to clarify before deciding.
| Signal | Why it warrants attention |
|---|---|
| No signboard or licence number displayed | This is a basic requirement for a medical facility |
| The person treating you is not a doctor | Injections and laser procedures must be done by a licensed practitioner |
| Product name withheld or label not shown | Origin and registration cannot be verified |
| Services offered outside a medical facility | No hygiene control and no equipment for emergencies |
| Advertising that promises identical results for everyone | Outcomes always vary by individual |
| Pressure to decide or pay on the day | Reduces your opportunity to check the information first |
| A price far below market with no explanation | Usually traded off against amount, product, or who performs it |
| No history taken and no risks explained beforehand | These are required steps before a medical procedure |
| No medical record or no receipt issued | Nothing can be traced or used as evidence afterwards |
Questions to ask before you decide
These take a few minutes to ask, and usually reveal the differences between places more clearly than reading reviews.
- Will a doctor perform the procedure, and what is their name?
- Which product or device model will be used, and is it registered?
- How much product, or how many shots, do I actually receive per session?
- What does the quoted price cover, and are there additional charges?
- What are the common risks and side effects?
- How many sessions before the result can be assessed, and at what intervals?
- If a complication occurs, who manages it and how do I make contact?
- Is there a follow-up appointment?
Clear, direct answers are a better signal than answers that deflect or change the subject to promotions.
What you should receive before and after
Before the procedure, you should be asked about underlying conditions, current medication, drug allergies, pregnancy or breastfeeding, and previous procedures, along with an explanation of what the procedure is, what results can reasonably be expected, what the risks are, and whether alternatives exist. Consent should then be given on the basis of that information.
After the procedure, you should receive clear aftercare instructions: what to do, what to avoid, which effects are expected and how long they should take to settle, which symptoms mean you should return promptly, and how to make contact outside opening hours.
If all of these steps are skipped and you go straight into the procedure, that itself tells you something about the standards of the place.
If a problem occurs afterwards
The first step is to inform the clinic that treated you, so the doctor can assess it and record it in your medical record, while keeping your evidence complete: the receipt, the name of the product used, the messages exchanged, and photographs of the symptoms in chronological order.
If you have symptoms suggesting an acute complication — unusually severe pain, skin in the treated area turning pale or dusky, blurred vision, fever, or spreading redness and swelling — seek medical attention immediately without waiting for an appointment.
If you wish to make a complaint about a facility’s standards or improper advertising, you can report it to the Department of Health Service Support, Ministry of Public Health, or your provincial public health office. Matters concerning a doctor’s professional practice can be reported to the Medical Council of Thailand.
Consult a doctor before deciding
Spending a few extra minutes checking the licence, the person performing the procedure, and the product to be used is a better investment than dealing with problems afterwards — particularly for procedures with long-term effects.
At Onnyx Clinic, medical procedures are performed by doctors, using properly registered products, with the product name and service rates stated before treatment, and suitability assessed individually before a treatment plan is made. Consult us at treatment and acne care or via LINE: @onnyxclinic
References
Frequently asked questions
How do I check that a clinic is properly licensed? +
A medical facility must display its name together with its licence number in an open location, along with the list of practitioners working there and its service rates. If you cannot find these on site, you can ask to see them directly, and verify further with the Department of Health Service Support, Ministry of Public Health, or the provincial public health office for the area.
How do I know the person injecting me is really a doctor? +
You can ask to see the medical practising licence and ask for the doctor's name and licence number, then verify it yourself with the Medical Council of Thailand. Procedures such as injections, medical laser treatment, and intravenous infusions must legally be performed by a licensed practitioner, not by general staff.
How do I know the product or filler being used is genuine? +
Ask for the product name before the procedure, ask to see the box and label showing the registration number, and ask for it to be opened in front of you. You can then verify the registration number yourself through the Thai Food and Drug Administration's product database. If a clinic will not disclose the product name or avoids showing you the label, treat that as a signal worth considering carefully.
The price is much lower than elsewhere. What should I watch for? +
Ask how much product or how many shots you actually receive, which product is used, who performs the procedure, and what the quoted price covers. Unusually low prices usually reflect a smaller amount, greater dilution, a product of unknown origin, or a non-doctor performing the procedure — all of which affect both the result and safety.
Can procedures be done at home or in a hotel? +
This is not a safe arrangement and does not meet the principles of a medical facility, because it lacks hygiene control, lacks the equipment and medication to manage severe allergic reactions or acute complications, and produces no medical record that can be traced afterwards. If something goes wrong, identifying who is responsible becomes difficult.
What should I do if something goes wrong after a procedure? +
Go back to the clinic that treated you first, so the doctor can assess it and record it in your medical record, and keep your evidence — receipt, product name, and photographs of the symptoms. If symptoms are severe, such as unusual pain, skin colour change, blurred vision, or fever, seek medical attention immediately. You can also file a complaint with the Department of Health Service Support or your provincial public health office.
Written by Onnyx Clinic Editorial Team
Medically reviewed by Dr. Janthida Gluayjumnong · Attending Physician, Onnyx Clinic · ว.74005
Last reviewed August 8, 2026
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