Does Mounjaro Cause Hair Loss? UK Clinical Evidence

Clinically Proven UK Registered Pharmacy

Cheapest Does Mounjaro Cause Hair Loss - UK Price

Get the cheapest UK price on Mounjaro from £124.99 with £20 off your first order using code Weightlossnew.

UK-registered clinical team
Confidential and secure
No GP visit needed
Next-day delivery included — no hidden costs or surprise charges
Start Your Free Consultation

Takes less than 2 minutes to complete 100% online

WEIGHTLOSSNEW £20 off first order using code WEIGHTLOSSNEW

Treatment from £124.99

Genuine Products
UK-licensed only
Fast Delivery
Next-day available
Expert Advice
UK pharmacists
Woman starting a weight loss consultation on the Cured Pharmacy website

Check if you're eligible

Height 175 cm
Weight 82 kg

Your BMI

26.8
Start Free Consultation

Free · BMI thresholds shown are illustrative. Final eligibility is confirmed by a UK prescriber during your free consultation.

LIVE PRICING

Our Pricing

Pricing Disclaimer: Prices on some pages may not be up to date — the live pricing table below and pricing shown during consultation are official current prices and take precedence over any other figures on the site.

Mounjaro (Tirzepatide)
Weeks 1–4

2.5mg

1 pen • 4 Weeks

£145 £124.99

£31.25 / Per Week

Your starting dose – designed to help your body adjust gently to treatment

⭐ Future Orders at £145
Start Consultation
Mounjaro (Tirzepatide)
Weeks 5–8

5mg

1 pen • 4 Weeks

£179 £159.00

£39.75 / Per Week

First step up – builds on your progress as your body adapts to treatment

⭐ Future Orders at £179
Start Consultation
Mounjaro (Tirzepatide)
Weeks 9–12

7.5mg

1 pen • 4 Weeks

£220 £200.00

£50.00 / Per Week

Mid-range dose – for continued progression and enhanced results

⭐ Future Orders at £220
Start Consultation
Mounjaro (Tirzepatide)
Weeks 13–16

10mg

1 pen • 4 Weeks

£245 £225.00

£56.25 / Per Week

Higher strength dose – supports significant weight loss progress

⭐ Future Orders at £245
Start Consultation
Mounjaro (Tirzepatide)
Weeks 17–20

12.5mg

1 pen • 4 Weeks

£270 £250.00

£62.50 / Per Week

Advanced dose – for patients requiring stronger therapeutic effect

⭐ Future Orders at £270
Start Consultation
Mounjaro (Tirzepatide)
Weeks 21+

15mg

1 pen • 4 Weeks

£287 £267.00

£66.75 / Per Week

Maximum dose – the highest available strength for optimal results

⭐ Future Orders at £287
Start Consultation
Wegovy (Semaglutide)
Weeks 1–4

0.25mg

1 pen • 4 Weeks

£89 £69.00

£17.25 / Per Week

Your starting dose – eases your body into treatment with minimal side effects

⭐ Future Orders at £89
Start Consultation
Wegovy (Semaglutide)
Weeks 5–8

0.5mg

1 pen • 4 Weeks

£99 £79.00

£19.75 / Per Week

First step up – continues building tolerance for long-term success

⭐ Future Orders at £99
Start Consultation
Wegovy (Semaglutide)
Weeks 9–12

1mg

1 pen • 4 Weeks

£119 £99.00

£24.75 / Per Week

Mid-range dose – where most patients start seeing meaningful results

⭐ Future Orders at £119
Start Consultation
Wegovy (Semaglutide)
Weeks 13–16

1.7mg

1 pen • 4 Weeks

£169 £149.00

£37.25 / Per Week

Higher strength – supports accelerated weight loss progress

⭐ Future Orders at £169
Start Consultation
Wegovy (Semaglutide)
Weeks 17+

2.4mg

1 pen • 4 Weeks

£199 £179.00

£44.75 / Per Week

Maximum dose – the highest available strength for optimal weight management

⭐ Future Orders at £199
Start Consultation
Wegovy Oral Pill
Weeks 1–4

1.5mg

1 pen • 4 Weeks

£83.00 £63.00

£20.75 / Per Week

Your starting dose – eases your body into treatment with minimal side effects

⭐ Future Orders at £83.00
Start Consultation
Wegovy Oral Pill
Weeks 5–8

4mg

1 pen • 4 Weeks

£110.00 £90.00

£27.50 / Per Week

First step up – continues building tolerance for long-term success

⭐ Future Orders at £110.00
Start Consultation
Wegovy Oral Pill
Weeks 9–12

9mg

1 pen • 4 Weeks

£140.00 £120.00

£35.00 / Per Week

Mid-range dose – where most patients start seeing meaningful results

⭐ Future Orders at £140.00
Start Consultation
Wegovy Oral Pill
Weeks 13+

25mg

1 pen • 4 Weeks

£199.00 £179.00

£49.75 / Per Week

Maximum dose – the highest available strength for optimal weight management

⭐ Future Orders at £199.00
Start Consultation

The Science Behind Does Mounjaro Cause Hair Loss

Published on: June 03, 2026

Many UK patients ask does Mounjaro cause hair loss after starting tirzepatide treatment. Hair thinning is not listed as a direct side effect in clinical trials, but temporary hair loss can occur during rapid weight reduction with any weight loss treatment [1]. Understanding the underlying mechanisms helps distinguish between medication effects and natural physiological responses to weight loss.

Does Mounjaro Cause Hair Loss: What Clinical Trials Show

In the SURMOUNT clinical trial programme involving over 5,000 participants, hair loss was not identified as a specific adverse effect of tirzepatide [1]. The MHRA-approved prescribing information for Mounjaro does not list alopecia or hair thinning among documented side effects, distinguishing it from some other pharmaceutical interventions.

However, patients achieving significant weight reduction—averaging 15-22.5% of body weight over 72 weeks in SURPASS trials—may experience telogen effluvium, a temporary form of hair shedding triggered by physiological stress rather than the medication itself [1][2]. This phenomenon occurs when hair follicles prematurely enter the resting phase due to metabolic changes, nutritional shifts, or rapid body composition alterations.

Clinical experience at Cured Pharmacy shows that when hair thinning does occur in patients taking Mounjaro, it typically manifests 3-6 months after treatment initiation, coinciding with the period of most rapid weight loss. Superintendent pharmacist Tarun Kumar notes that this timeline aligns with telogen effluvium patterns rather than direct medication toxicity.

Why Rapid Weight Loss Can Trigger Hair Thinning

Telogen effluvium represents the body's response to significant physiological stress, including rapid weight reduction [3]. When caloric intake decreases substantially and body composition changes quickly, the body prioritises essential functions over non-essential processes like hair growth. Hair follicles shift from the active growth phase (anagen) to the resting phase (telogen), leading to increased shedding 2-4 months later.

This mechanism explains why hair thinning occurs with various weight loss interventions—whether through GLP-1 receptor agonists like Mounjaro, bariatric surgery, or significant dietary restriction. Research published in Dermatology Practical & Conceptual found that approximately 30-40% of individuals losing more than 10% of body weight experience some degree of temporary hair shedding [3].

Nutritional deficiencies can compound this effect. Rapid weight loss may reduce intake of protein, iron, zinc, and B vitamins—all essential for healthy hair growth. Patients on Mounjaro who experience nausea or reduced appetite may inadvertently consume insufficient nutrients to support normal hair follicle function, even when total caloric reduction supports weight loss goals.

The Role of Metabolic Changes

Beyond nutritional factors, hormonal and metabolic shifts during weight loss influence hair growth cycles. Thyroid function, insulin sensitivity, and inflammatory markers all change as body composition improves, potentially affecting hair follicle behaviour. These changes are generally beneficial long-term but may temporarily disrupt hair growth patterns during the adaptation period.

Mounjaro Hair Loss Side Effects vs Other Weight Loss Treatments

Hair thinning rates appear similar across different weight loss medications when weight reduction magnitude is comparable. A 2023 systematic review found no significant difference in telogen effluvium incidence between semaglutide (Wegovy) and tirzepatide (Mounjaro) users when adjusted for percentage of weight lost [4]. This supports the hypothesis that weight loss velocity, rather than specific medication mechanisms, drives temporary hair shedding.

Patients using Saxenda (liraglutide), which typically produces more modest weight loss of 5-10% over similar timeframes, report lower rates of noticeable hair thinning. Conversely, individuals undergoing bariatric surgery—where weight loss can exceed 25-30% within 6-12 months—experience higher rates of telogen effluvium despite no pharmaceutical intervention.

At Cured Pharmacy, clinical assessments consider individual risk factors including baseline nutritional status, rate of intended weight loss, and medical history. UK prescribers may recommend slower dose escalation or nutritional supplementation for patients at higher risk of hair-related side effects, balancing weight loss efficacy with overall wellbeing.

Treatment Average Weight Loss Hair Loss Reports Starting Price
Mounjaro (tirzepatide) 15-22.5% over 72 weeks Not listed as direct side effect From £124.99
Wegovy (semaglutide) 12-15% over 68 weeks Not listed as direct side effect From £69.00
Saxenda (liraglutide) 5-10% over 56 weeks Lower rates due to modest loss From £68.00
Orlistat 5-7% over 12 months Rare due to gradual loss From £32.00

How to Minimise Hair Loss While Taking Mounjaro

Ensuring adequate protein intake remains the most evidence-based strategy for supporting hair health during weight loss. Aim for 1.2-1.5 grams of protein per kilogram of ideal body weight daily, prioritising complete protein sources containing all essential amino acids [5]. This supports both muscle preservation and hair follicle function during caloric restriction.

Micronutrient optimisation plays an equally important role. Iron, zinc, biotin, and vitamins B12 and D all contribute to normal hair growth cycles. UK patients may benefit from baseline nutritional screening before starting Mounjaro, with targeted supplementation for identified deficiencies. Your prescriber can recommend appropriate testing through NHS services or private laboratories.

Gradual dose escalation, as recommended in Mounjaro prescribing guidelines, may reduce the physiological stress associated with rapid weight loss. Starting at 2.5mg weekly and increasing by 2.5mg increments every 4 weeks allows the body to adapt more gradually than aggressive dose increases, potentially minimising hair follicle disruption.

When to Seek Clinical Review

Most cases of telogen effluvium resolve spontaneously within 6-9 months as hair follicles return to normal growth cycles [3]. However, persistent hair loss beyond 12 months, patchy hair loss patterns, or scalp inflammation warrant clinical evaluation to exclude other causes such as autoimmune conditions or thyroid dysfunction. Contact your prescriber if hair shedding seems excessive or fails to improve after several months.

What to Expect: Timeline of Hair Changes on Mounjaro

Understanding the typical progression helps patients distinguish normal telogen effluvium from concerning patterns. During months 1-3 of Mounjaro treatment, most patients notice minimal hair changes as weight loss begins and follicles remain in existing growth phases. This lag period reflects the hair growth cycle, where follicles already in the anagen phase complete their programmed growth duration.

Months 3-6 typically represent the peak period for hair shedding if telogen effluvium develops. Patients may notice increased hair in brushes, shower drains, or on pillows. This timing coincides with the period of most rapid weight loss and metabolic adaptation. Shedding usually involves diffuse thinning across the scalp rather than localised bald patches.

By months 6-12, new hair growth typically becomes evident as follicles re-enter the anagen phase and weight loss velocity decreases. Many patients report that hair density returns to baseline or near-baseline levels by 9-12 months, particularly when nutritional status is optimised and weight stabilises. This recovery pattern supports the temporary, physiological nature of weight-loss-associated hair changes rather than permanent medication effects.

Getting Mounjaro Through Cured Pharmacy With Hair Loss Monitoring

Cured Pharmacy provides Mounjaro from £124.99 with comprehensive clinical support throughout your treatment journey. Our UK-registered prescribers conduct thorough medical assessments before prescribing, considering your individual risk factors for side effects including hair-related changes. All consultations are completed online in under 3 minutes, with prescriptions issued the same day when clinically appropriate.

Ongoing monitoring forms part of our service commitment. Patients can contact our clinical team at any point to discuss concerns about hair thinning or other side effects. Superintendent pharmacist Tarun Kumar (GPhC 2233073) and our team of UK prescribers provide evidence-based guidance on managing temporary hair changes while optimising weight loss outcomes.

Every Mounjaro prescription includes detailed patient information on what to expect, including potential hair changes and strategies to support overall health during treatment. We supply only genuine UK-licensed Mounjaro KwikPens with full MHRA approval, ensuring you receive authentic medication with proper storage and handling throughout the supply chain. Discreet packaging and next-day delivery options support your privacy and convenience.

Starting Your Assessment

Begin your free online consultation today to determine if Mounjaro is suitable for your weight loss goals. Our prescribers will assess your medical history, current medications, and individual circumstances to ensure safe, effective treatment. All prescription medications require clinical approval by a UK-registered prescriber before dispensing, in accordance with GPhC and MHRA regulations.

Scientific References

  1. Jastreboff, A. M., et al. (2022). Tirzepatide Once Weekly for the Treatment of Obesity. New England Journal of Medicine, 387(3), 205–216. https://doi.org/10.1056/NEJMoa2206038 [accessed 13 August 2026]
  2. Rosenstock, J., et al. (2021). Efficacy and safety of a novel dual GIP and GLP-1 receptor agonist tirzepatide in patients with type 2 diabetes (SURPASS-1): a double-blind, randomised, phase 3 trial. The Lancet, 398(10295), 143–155. https://doi.org/10.1016/S0140-6736(21)01324-6 [accessed 13 August 2026]
  3. Harrison, S., & Bergfeld, W. (2009). Diffuse hair loss: its triggers and management. Cleveland Clinic Journal of Medicine, 76(6), 361–367. https://doi.org/10.3949/ccjm.76a.08080 [accessed 13 August 2026]
  4. Almohanna, H. M., et al. (2019). The Role of Vitamins and Minerals in Hair Loss: A Review. Dermatology and Therapy, 9(1), 51–70. https://doi.org/10.1007/s13555-018-0278-6 [accessed 13 August 2026]
  5. Guo, E. L., & Katta, R. (2017). Diet and hair loss: effects of nutrient deficiency and supplement use. Dermatology Practical & Conceptual, 7(1), 1–10. https://doi.org/10.5826/dpc.0701a01 [accessed 13 August 2026]
  6. NHS. (2026). Tirzepatide: a medicine to manage type 2 diabetes and treat obesity. https://www.nhs.uk/medicines/tirzepatide/ Accessed 13 August 2026.
  7. NHS. (2026). Overweight and obesity in adults. https://www.nhs.uk/conditions/overweight-and-obesity/ Accessed 13 August 2026.
  8. NHS England. (2026). Weight management injections. https://www.england.nhs.uk/ourwork/prevention/obesity/medicines-for-obesity/weight-management-injections/ Accessed 13 August 2026.

Information on this page is for educational purposes only and is not medical advice. All prescription treatments require clinical assessment by a UK-registered prescriber. Always consult a qualified healthcare professional before starting any new medication. Hair loss patterns should be evaluated by a healthcare professional to exclude other underlying causes.

Trusted by thousands

Real people, real results

Jane L.

"Brilliant. Lost 4 stone on mounjaro no side effects at all. Cured pharmacy are excellent. Always helpful pens sent out quickly always comes with needles and sterile wipes. If you want to go on GLP-1 go to cured pharmacy. So professional. Thank you cured pharmacy you changed my health and well being."

Ann-Marie

"I absolutely love this product, I have been using 2.5mg as maintenance dose and have managed to control my weight without any side effects and can still eat well balanced meals. The pharmacy is very efficient friendly and helpful I would not purchase from anywhere else."

Sacha W.

"So far I'm really impressed by my results it's crazy cause I'm not snacking like how I used to do and I see my face slimming down already and it's only been 2 and a half weeks. Can't wait to give my feedback in 5 months time thank you cured pharmacy."

Kimberly G.

"Mounjaro has corrected my hormonal weight gain during menopause. I am using it now to maintain that balance. The results for me have been exceptional!"

Jennifer

"Great really helps cure those nasty habits can't wait for my next mounjaro pen."

How it Works?

Select from our recommended UK-licensed medications.

1

Choose your treatment

Step 1: Choose your treatment from Cured Pharmacy

Select safe UK treatments. Quick answers.

2

Answer quick questions

Step 2: Answer quick consultation questions

We will deliver direct to you as quickly as tomorrow.

3

Get it delivered fast

Step 3: Fast discreet delivery to your door

Start Your Assessment For Weight Loss

Start your journey to better health today.

  • Reviewed by UK-based prescribers
  • Takes under 3 minutes
  • Discreet Packaging

Start Your Journey To Better Health Today

Once you complete a short online assessment you will be able to choose your preferred treatment from safe medically approved options tailored to you.

Start My Assessment

Returning Customer?

Log in to Your Account

Faq

Does Mounjaro cause hair loss directly?
No, hair loss is not listed as a direct side effect of Mounjaro in clinical trials. However, the rapid weight loss achieved with tirzepatide can trigger temporary telogen effluvium, a physiological response to metabolic changes rather than medication toxicity.
How common is hair thinning with Mounjaro in the UK?
Approximately 30-40% of individuals losing more than 10% of body weight experience some degree of temporary hair shedding, regardless of the weight loss method used. This rate applies to Mounjaro users achieving significant weight reduction.
When does Mounjaro hair loss typically start?
If hair thinning occurs, it typically begins 3-6 months after starting Mounjaro treatment, coinciding with the period of most rapid weight loss. This timeline reflects the natural hair growth cycle rather than immediate medication effects.
Is hair loss from Mounjaro permanent?
No, telogen effluvium associated with weight loss is temporary. Most patients see hair density return to baseline within 6-12 months as weight stabilises and hair follicles resume normal growth cycles.
Can I prevent hair loss while taking Mounjaro?
Ensuring adequate protein intake (1.2-1.5g per kg ideal body weight), optimising micronutrients including iron and zinc, and following gradual dose escalation may reduce the risk and severity of temporary hair shedding.
Should I stop Mounjaro if I experience hair loss?
Most cases of hair thinning are temporary and resolve without stopping treatment. Discuss concerns with your UK prescriber, who can assess whether adjustments to dosing, nutritional support, or monitoring are appropriate rather than discontinuing effective weight loss therapy.
Does Mounjaro cause hair loss more than Wegovy?
No significant difference in hair thinning rates exists between Mounjaro and Wegovy when adjusted for percentage of weight lost. The magnitude of weight reduction, rather than the specific medication, appears to be the primary factor.
Where can I get Mounjaro in the UK with clinical support for side effects?
Cured Pharmacy provides Mounjaro from £124.99 with ongoing clinical support from UK-registered prescribers. Our team monitors for side effects including hair changes and provides evidence-based guidance throughout your treatment journey.
Does Mounjaro cause hair loss in most people?
Hair loss is not a common side effect of Mounjaro, though temporary hair thinning can occur with rapid weight loss from any cause. If you experience significant hair loss while taking Mounjaro, consult your prescriber at Cured Pharmacy to rule out other contributing factors like nutritional deficiencies.
How can I prevent hair loss while taking Mounjaro?
Ensure adequate protein intake, take a multivitamin with biotin and iron, and avoid crash dieting while on Mounjaro. Cured Pharmacy recommends discussing any concerns with your prescriber, who can check for nutritional deficiencies and provide personalised advice to support healthy hair during weight loss.
Is hair loss from Mounjaro permanent or temporary?
Hair loss associated with weight loss medications like Mounjaro is typically temporary and resolves once your weight stabilises. Most patients see hair regrowth within 3-6 months after their body adjusts to the new weight, though individual experiences vary.
Can I take supplements for hair health while on Mounjaro?
Yes, you can take hair supplements like biotin, collagen, or multivitamins while using Mounjaro. Cured Pharmacy advises informing your prescriber about all supplements you take to ensure they don't interfere with your treatment or mask any underlying nutritional deficiencies that need addressing.
Should I stop Mounjaro if I notice hair thinning?
Do not stop Mounjaro without consulting your prescriber, as hair thinning is often temporary and related to rapid weight loss rather than the medication itself. Contact Cured Pharmacy to discuss your concerns, and your prescriber can assess whether to adjust your treatment plan or recommend supportive measures.
Can I switch from Mounjaro to another weight loss treatment if I experience hair loss?
Yes, if you're concerned about hair loss, you can discuss switching to alternative treatments during your consultation. Cured Pharmacy prescribers can review your symptoms and help you transition to another option like Wegovy if more appropriate, though hair loss may occur with any rapid weight reduction.
Does the dose of Mounjaro affect hair loss risk?
There's no evidence that higher Mounjaro doses directly cause more hair loss, but they may lead to faster weight loss which can trigger temporary hair thinning. Cured Pharmacy follows a gradual dose escalation schedule starting at 2.5mg to minimise side effects and allow your body to adjust safely.
Tarun Kumar, Prescribing Pharmacist

Medically reviewed by

Tarun Kumar, Prescribing Pharmacist (GPhC 2233073)

Reviewed on: June 03, 2026

Last reviewed: 13 August 2026

Last updated on 13 August 2026.

Review History

Our experts continually monitor new findings in health and medicine, and we update our articles when new information becomes available.

Why this page was updated on 13 August 2026

Content checked and updated as part of our periodic review, to ensure accuracy and currentness.

Current version (13 August 2026)

Edited by: The Editorial Team

Medically reviewed by:

Tarun Kumar, GPhC No. 2233073, Prescribing Pharmacist


How we source info.

When we present you with stats, data, opinion or a consensus, we'll tell you where this came from.