Complications of Hair Mesotherapy
- Pain, Swelling & More Risks
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Award winning
Clinics Across the UK
9 Clinics
Across the UK
Rated 92%
on Trustpilot
Expert Team of
professionals
Over 1 million Treatments
delivered
Hair mesotherapy is a widely used treatment for hair thinning and hair loss. It involves injecting vitamins, amino acids, and other nutrients directly into the scalp to stimulate hair growth.
While this treatment can be effective for many people, it's not without risks. Understanding the potential complications can help you make an informed decision before undergoing the procedure.
Hair mesotherapy is generally safe but can lead to mild side effects like pain, swelling, itching, and temporary hair shedding. In rare cases, it may lead to infections or allergic reactions if hygiene or ingredients are poor. Most side effects are mild and go away with proper aftercare and a certified provider.
In this blog, we’ll walk you through each potential complication in simple, honest terms.
8 Complications of Hair Mesotherapy
Is It All Smooth Sailing? Know the Possible Side Effects Hair mesotherapy is growing in popularity as a non-surgical solution for hair thinning and hair loss. It involves injecting vitamins, enzymes, and medications directly into the scalp to boost hair growth. While many see benefits, like any procedure, there can be side effects, some mild, others more serious. Here’s a detailed look at the common and rare complications of hair mesotherapy, explained in simple terms.
Pain and Discomfort
Even though mesotherapy uses fine needles, you may still feel some pain. Pain is one of the most common side effects during or after the treatment. While most people describe it as mild, it can still be unpleasant, especially if you’re sensitive to needles.
- Stinging or burning sensations during treatment: The injection of the mesotherapy solution can cause a stinging feeling. The pain often lasts only during the procedure and fades shortly after.
- Soreness in the treated area: Your scalp might feel sore or tender for a day or two after the injections. This is due to the small injuries caused by the needles.
- Increased sensitivity in those with delicate skin: People with more sensitive or thin skin may experience higher levels of discomfort compared to others.
Tip: Numbing cream can help reduce the pain. Make sure to request it from your provider if you’re worried about discomfort.
Swelling and Redness
Your scalp may become red or swollen shortly after the treatment. These symptoms are a normal reaction to the injections and should not be a major concern unless they last too long.
- Mild swelling is common: Swelling is your body’s way of responding to the needle pricks. It usually appears around the injection spots and fades within a few hours.
- Redness or blotchy skin: The injected areas may turn red. This can happen immediately or within a few minutes after the procedure.
- Fades on its own: Most swelling and redness disappear naturally within 24 to 48 hours, with no need for treatment.
Tip: Avoid sun exposure, saunas, and heavy sweating for at least 24 hours after the procedure to reduce swelling.
Itching and Irritation
Some people develop itching or flaking after mesotherapy. This happens due to how the skin reacts to the ingredients in the injection or to the minor trauma caused by the needle.
- Mild allergic reactions to ingredients: The injected solution may include compounds like vitamins, herbal extracts, or medications that your skin might not tolerate well.
- Itchy or bumpy scalp: After treatment, some people report a persistent itchiness or raised bumps around the injection site. This is usually temporary.
- Dry or flaky skin: Some cases, the skin can be dry and begin to flake a few days after treatment.
Tip: Use a mild, sulfate-free shampoo and avoid scratching your scalp, which could lead to infection.
Infection Risk
Because mesotherapy involves injections, infection is always a possibility if hygiene is not top-notch. This is one of the more serious complications and should be taken seriously.
- Bacteria from unsterile equipment or poor technique: If the clinic does not follow strict hygiene practices, bacteria may enter the skin through the needle.
- Visible signs of infection: These include pus, increased redness, warmth in the area, pain that worsens over time, or fever.
- Needs prompt medical attention: Untreated infections can lead to scarring or more severe issues.
Tip: Make sure you choose a certified, licensed clinic with clean, sterile equipment and trained professionals.
Bruising and Bleeding
Small bruises or even light bleeding can happen with needle-based treatments like mesotherapy. While usually harmless, bruising can be annoying and unsightly.
- Needles can hit small blood vessels: The scalp is full of tiny blood vessels, and the needle might accidentally puncture one.
- Small bruises around the injected spots: These appear as purple or blue marks and may be sore to the touch.
- Fades within a few days: Most bruises will heal within a week without treatment.
Tip: Don’t take blood-thinning medications like aspirin or ibuprofen before your appointment unless advised by your doctor.
Allergic Reactions
Your body might not agree with one or more ingredients in the injection. Even though most products used are natural or vitamin-based, reactions can still occur.
- Skin problem such as hives or rashes: These appear soon after the treatment and are a sign your body is rejecting the solution.
- Swelling in the face or throat (rare but serious): This is a medical emergency known as anaphylaxis and needs urgent care.
- Not all reactions are immediate: Some allergic symptoms may develop hours or even a day later.
Tip: Always ask for a patch test before full treatment to check for possible allergies.
Temporary Hair Shedding (Shock Loss)
It might sound scary, but losing a bit of hair after treatment can be part of the process. This condition is known as “shock loss” and can affect those undergoing hair regrowth treatments.
- Initial shedding of weak or damaged hair: The trauma from the needles can make already fragile hairs fall out.
- Short-term phase: This is a temporary phase, and new, stronger hair usually grows back in its place.
- Can be emotional: Losing hair right after starting treatment can be frustrating, but it is often a sign that the treatment is working.
Tip: Stay patient. Discuss this possibility with your specialist so you’re prepared if it happens.
Headaches or Dizziness
Some people feel dizzy or get headaches after their session. Though not very common, these symptoms can make you feel uncomfortable.
- Lightheadedness due to nerves or fasting: If you haven’t eaten or are nervous, you might feel faint during or after treatment.
- Tension headaches from scalp pressure: The repeated injections can create pressure in the scalp, leading to mild headaches.
- Rare but possible strong headaches: These are uncommon and usually go away with rest or over-the-counter pain medicine.
Tip: Eat a light meal before your session, drink plenty of water, and let your provider know if you feel dizzy.
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Conclusion
Hair mesotherapy is an effective and helpful treatment for many people who struggling with their hair thinning and hair loss. But like all cosmetic procedures, it’s important to know the risks before you start.
Most complications are minor and go away quickly. However, some can be more serious, especially if the treatment is done by someone untrained or if hygiene is poor.
With the right care and precautions, mesotherapy can be a safe and effective way to support hair growth and restore your confidence.
Frequently Asked Questions
Most professionals recommend waiting 2 to 4 weeks between sessions. This gives your scalp time to recover and reduces the chance of cumulative irritation or sensitivity.
Avoid washing your hair for minimum 24 hours after treatment to prevent irritation or infection. After that, use a mild, fragrance-free shampoo and avoid harsh chemicals or heat styling for a few days.
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