Common, short-lived effects
- Redness and warmth of the scalp for a few hours to a couple of days.
- Mild swelling or tenderness, especially with injections.
- Pinpoint bleeding during microneedling that stops quickly.
- Itching or tightness as the skin heals.
- Small bruises at injection points in some people.
These usually resolve without treatment. Following the aftercare guidance helps.
Less common risks
- Infection, reduced by sterile technique and proper aftercare.
- Allergic or hypersensitivity reaction to the product or numbing cream.
- Folliculitis (inflamed hair follicles).
- Temporary shedding in the weeks after treatment.
- Product-related concerns where sourcing, purity or storage is poor. This is the main reason to choose a reputable clinic.
Why product sourcing matters
Exosome preparations are biological products. Quality depends on the cell source, manufacturing controls, purification, concentration and cold-chain storage. Products without clear documentation carry unknown risk. A responsible clinic can tell you which product it uses, where it comes from and how it is stored. If a provider cannot answer those questions, that is a warning sign.
Regulatory note
Exosome therapies for hair are a relatively new category, and their regulatory status differs between countries and products. Approval for cosmetic scalp use does not exist uniformly, and many products are used under clinician discretion. We encourage you to raise this at your consultation. We do not claim that exosome therapy is approved for hair loss by any regulator.
How risk is managed at the clinic
- Medical history review and screening before any treatment.
- Treatment performed by, or under supervision of, qualified medical professionals.
- Sterile single-use needles and cartridges.
- Clear aftercare instructions and a contact route if something does not feel right.
When to contact the clinic
Seek advice if you have increasing pain, spreading redness, pus, fever, or an allergic-type reaction such as facial swelling or difficulty breathing (in which case seek emergency care immediately).
Last reviewed: 2026-09-24. This article is general information and not medical advice. Suitability for any treatment must be assessed by a qualified doctor at Estheticare Clinic. Individual results vary.