In short. Some uses have been studied and most mixtures have not. How to tell a supported ingredient from a marketed one, and why the difference is invisible on a price list.

Key points

  • A defensible answer names the ingredient that has been studied when injected and says plainly that the rest of the list has not.
  • An answer that describes the technique, or the number of patients treated, is answering a different question from the one you asked.

There is a real difference between a treatment whose question has been studied and one whose question is simply open. Most writing about mesotherapy blurs the two, and the blurring is not accidental, because the second position is a much harder one to sell from. Separating them is the most useful thing a patient can do before agreeing to a course.

What has been studied

A small number of injectable substances have been examined when placed into the skin, mostly for surface quality and hydration rather than for structure. Where a mixture is built on one of those, the technique is being used to deliver something that has a study record, although the record itself is modest and the change measured is modest with it. That is a real position, and it is the one worth asking about.

What is asserted rather than studied

The larger part of the market sits somewhere else. Combinations of vitamins, minerals and plant extracts are widely used, and the study record for the combination is usually absent. Individually, some ingredients have evidence in entirely different contexts, which is not the same thing as evidence for injecting them together into the face. Where a combination has never been assessed as a combination, the offer rests on plausibility and on repetition rather than on a result anybody has measured.

Ask which part of the plan carries the evidence

A defensible answer names the ingredient that has been studied when injected and says plainly that the rest of the list has not. An answer that describes the technique, or the number of patients treated, is answering a different question from the one you asked.

Why the technique cannot borrow the evidence

A method of delivery does not have an effect of its own to measure. Where a result is reported, it comes from whatever was placed and from the skin response to being needled, and neither of those is the technique in the abstract. So a claim that mesotherapy works is a claim about nothing in particular until somebody says which mixture. This is why the evidence position for one plan does not transfer to the next.

What to do with an open question

An open question is not a reason to avoid the treatment and it is a reason to price it correctly. If nobody knows whether a mixture does anything, the sessions are being bought on the possibility of a modest change rather than on a result. That is a reasonable thing to buy and it is a different thing from a treatment.

These are not evidence

  • That the ingredient is approved for a different use at a different site.
  • That many patients have been treated without a problem.
  • That the clinic has used the same mixture for years.

How approval is attached to a product and an indication is set out in Approved for What?, and the options whose study position is stronger are compared in Alternatives With Better Evidence.

Related reading

Frequently asked questions

If a treatment has no evidence, does that mean it does not work?

Not exactly, and the distinction matters. It means nobody has run the study that would show whether it does, which is different from having run it and found nothing. For most mesotherapy combinations the honest position is that the question is open rather than answered, and an open question is a poor basis for a course of sessions.

Is it enough that each ingredient is individually approved?

No. Approval attaches to a product used for a stated purpose. A mixture of approved ingredients has not been assessed as a mixture, so the approval of the parts says nothing about the combination, the way it behaves when injected into skin, or how it interacts with the others in the same syringe.

What can I reasonably ask a clinic to show me?

Ask which substance in the plan has been studied when injected into skin, and which has not. That is a factual question with an answer, and a clinic that works with evidence can usually answer it directly. A clinic that answers by describing the technique instead has told you what is driving the offer.

Risks & Limitations

  • Mesotherapy names a technique, not a product. The mixture is often prepared rather than manufactured, and it has not been assessed as a mixture.
  • Any change reported is usually modest, lies in surface quality rather than in volume, and fades without further sessions.
  • Firm lumps and delayed reactions can appear weeks to months after a session, and the date they appear is part of how they are assessed.
  • A mixture is not standardised between clinics or between sessions, so the evidence for one plan says nothing about the next.

When to Seek Care

  • Severe pain out of proportion to the procedure, or skin turning white, grey, mottled or dusky, needs immediate assessment.
  • Any change in vision after an injection requires emergency care.
  • Fever, or redness, warmth or discharge at a treated area that is spreading rather than settling.
  • A firm lump or nodule appearing weeks or months later, which should be reported when noticed rather than at a review.

References & Further Reading

  • American Society of Plastic Surgeons (ASPS) — procedure and safety guidance
  • National Institute for Health and Care Excellence (NICE, UK) — relevant guidance
  • Cochrane Library — systematic reviews
  • Chinese Medical Association Plastic Surgery Branch — clinical guidance

Medically reviewed by Ke He, MD (何锞), Deputy Director & Head of Skin & Laser Aesthetics. Last reviewed: 19 September 2026.

This page is patient education, not medical advice, and it does not cite individual studies. Discuss your own case with a qualified clinician. To arrange an assessment at Chongqing West District Hospital, see Contact & Consultation.