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Calf Slimming

Calf slimming treatments

with muscle-relaxing injections

Calf slimming treatments can be carried out using muscle-relaxing injections, which are commonly used for anti-wrinkle treatments.


Calf Slimming injections work by blocking the nerve signals responsible for activating your muscles. When injected on a regular basis into the muscles of the calf, it can results in a slimmer looking calf and lower leg.


It is NOT advisable to have the treatment if you have the following:

•An active infection at the site of treatment

•A neuromuscular disorder

•Younger than 18 years old

•Pregnant or breast-­feeding

•A swallowing disorder

•Breathing difficulties


A topical anaesthetic cream is usually not required prior to the treatment. However, if you prefer, you can request for a topical anesthetic cream to be applied about 20 minutes prior to your treatment.

During the procedure, a fine needle is used to inject the slimming injections into the muscles of your calf.

After treatment, some patients may experience warmth on the treated areas for 2-­3 hours. The skin can look red and swollen for a few hours, rarely lasting for 1-­2 days, or longer. Minor bruising can occur and if this happens, it can take 2-­3 weeks to settle.



In general, we recommend 3-­4 treatments sessions per year to maintain the best result. Calf slimming injections at more frequent injection intervals or at higher doses may lead to antibody formation and treatment resistance, causing treatments to become less effective over time.



Results can vary among individuals, but in general, treatment effects work within 2-­4 weeks. Muscle size reduction occurs gradually over many months and years of regular injections.


If you have any concerns or queries regarding the treatment, please contact the clinic for advice.

Our contact details are:

Phone: 0161 236 6500

Email: info@lumiereclinic.co.uk

Lumiere Skin Clinic | Manchester Lumiere Skin Clinic | Manchester

Frequently Asked Questions

About Calf Slimming Treatments at Lumiere Clinic

  1. What are calf slimming injections?

    Calf slimming injections are treatments using a chemical substance which temporarily relaxes the muscle, causing the muscle to reduce in size over time. If carried out regularly, this will reduce the bulk of the muscles in your calf.

  2. How do calf slimming injections work?

    Calf slimming injections temporarily block the release of acetylcholine. Acetylcholine is a chemical substance that is released from nerve endings. It transmits signals to the muscle and causes the muscle to contract. By blocking the release of acetylcholine, the muscle is not able to contract fully. As the muscles becomes less active, it reduces in size over time. Over a few months, the muscles form new receptors and start to contract again. Therefore it is important to ensure that these treatments are done regularly before the effect wears off.

  3. Are they safe?

    The treatment uses the same product used with anti-wrinkle injections and this has been used for various medical reasons such as to treat muscle spasms since the 1980s. Treatments are safe if they are delivered by a trained, qualified practitioner.

  4. When will I see an effect?

    Calf slimming injections usually take 2 weeks to take effect, however the reduction of muscle bulk happens gradually over many months/years if regular treatments are maintained.

  5. How long do the effects last for?

    The effect of calf slimming treatments on the muscle can last from 2 to 6 months. In the average patient, it works for 3 to 4 months before muscle contractility increases again. It is therefore important to maintain regular treatments every 3 to 4 months – although there is individual variation with this.

  6. How is the treatment given?

    Calf slimming injections in Manchester are given by small syringes with fine needles. Several injection points are made into the skin overlying the target muscles.

  7. What are the side effects?

    As the treatments have temporary effects, the side effects also tend to be temporary. Most commonly, there is some redness and swelling at the injection points immediately after treatment, which usually settle down after 1 hour. Bruising can occur and may take a few days or weeks to heal. There are usually no noticeable effects on regular walking or standing.

  8. What should I avoid after the treatment?

    Avoid touching the treated areas for at least 2 hours post-treatment to reduce the risk of infections. Avoid exposure to excessive heat such as the use of steam and sauna rooms, sunbeds and vigorous exercise for 24 to 48 hours post-treatment as these activities may potentially reduce the effectiveness of treatment.

*Individual results may vary.

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