Mounjaro®
Starting from £179.99/mo
Start journey Learn moreMounjaro face describes the gaunt, hollowed look some people notice when rapid weight loss reduces facial fat alongside body fat. You can reduce the risk by losing weight steadily, eating enough protein, staying hydrated, and keeping up resistance exercise throughout treatment — steps that protect skin elasticity and muscle alongside the scale. These are prescription-only medicines that require clinical assessment before a prescriber decides whether they are right for you; nothing below replaces that conversation.
At your door the next working day.
Free, tracked, plain packaging.
BMI isn't the whole story, but it's where clinicians start. Check yours in ten seconds — nothing is stored, nothing is shared.
Ten seconds. Private — nothing is stored or shared.
Your result updates live in the card alongside.
Your result
Your BMI is
—
which is in the healthy weight range
Start journeyBMI doesn't determine eligibility — only a clinician can assess whether treatment is right for you.
The problem
The nume way
clinician review. Free next working day delivery.
How it works
Tell us about your health, history and goals. Free, online, and confidential — no commitment, no waiting room.
Our team reviews your health the same day — never an algorithm, and approves your treatment there and then if eligible.
Order by 12pm, dispatched same day, delivered free the next working day — the nume Promise.
The term Mounjaro face has spread quickly, but what people are describing is not unique to tirzepatide. Rapid weight loss of any kind reduces fat stores throughout the body, including the cheeks, temples and under-eyes. The face tends to show this early because its padding is relatively thin to begin with. Add to that a drop in skin elasticity that can come with significant calorie reduction, and the result is the slightly hollow, aged look people report.
Tirzepatide itself does not target facial fat. What it does is suppress appetite substantially, in the SURMOUNT-1 trial, people using the 15 mg dose lost around 20–21% of their body weight over 72 weeks on average. That kind of loss, achieved quickly, leaves less time for skin and soft tissue to adapt. Understanding the mechanism matters because it tells you where to intervene: the pace of loss, the quality of your diet, and how much muscle you preserve along the way.
Prevention is therefore realistic, at least in part. You cannot fully separate facial change from significant weight loss, but you can influence how pronounced it is. The full tirzepatide overview covers what the medicine does and how the titration schedule is designed with tolerability in mind; gradual dose increases are one of the reasons the standard schedule exists.
Yes, and this is probably the single most practical lever available to you. When calories fall sharply, the body can break down muscle for energy if protein intake is too low. Muscle loss contributes to that gaunt, deflated look as much as fat loss does, because muscle underlies the face's structure just as it does elsewhere.
NHS guidance on weight management alongside these medicines stresses the importance of maintaining adequate nutrition throughout treatment, and NHS England's weight management injections guidance specifically notes that dietary support and lifestyle changes are integral to treatment, not optional extras. Aiming for roughly 1.2 to 1.6 g of protein per kilogram of body weight each day is a figure cited across sports-medicine and clinical nutrition literature for people in a calorie deficit.
Practical ways to hit that target while appetite is suppressed: prioritise protein at the start of each meal before appetite fades, choose high-density sources (Greek yoghurt, eggs, fish, chicken, legumes), and if meals are small, distribute protein across three or four of them rather than concentrating it in one sitting. Collagen-rich foods and good hydration also support skin structure, though the evidence base here is less robust than for total protein. Any detailed dietary plan should be worked out with your prescriber or a registered dietitian who knows your full picture.
Resistance training is the most evidence-supported lifestyle tool for preserving lean mass during weight loss. Lifting weights or doing bodyweight exercises signals to the body that muscle is in use and worth keeping, which counteracts the muscle-sparing problem directly. Two to three sessions a week of compound movements (squats, rows, presses, hinges) are enough to make a meaningful difference for most people.
Cardiovascular exercise matters for overall health and for the cardiovascular benefits that come alongside a healthy weight, but if you can only fit in one type of training during treatment, prioritise resistance work for the muscle-preservation goal specifically. As strength and stamina return with weight loss, building in more activity becomes easier anyway.
Skin care plays a supporting role too. Keeping skin well-moisturised, using products with retinoids or vitamin C that support collagen turnover, and protecting against UV damage all help maintain skin quality. These steps will not reverse significant volume loss, but they reduce the visible impact. For people worried specifically about skin laxity rather than facial hollowing, our guidance on avoiding loose skin during Mounjaro treatment covers that angle in more detail.
It can. Skin has some capacity to contract as underlying fat reduces, but that process takes time. When weight comes off very fast, the skin simply cannot keep pace. This is why people who lose weight gradually (say, 0.5 to 1 kg per week) tend to retain facial volume and skin tone better than those who lose at double that rate.
The dose-escalation schedule for Mounjaro already builds in a gradual increase (starting low and stepping up over months) partly for gut tolerability but also because steadier, sustainable loss is the clinical aim. If you find yourself losing weight very quickly and you are concerned about the effect on your face and skin, that is a conversation worth having with your prescriber rather than something to manage alone. They can look at your current dose, your diet, and whether the pace of loss is appropriate for your situation.
Things to avoid on treatment that could accelerate facial ageing also include heavy alcohol use, smoking, and extreme calorie restriction beyond what the medicine is already creating. The full list of things to avoid on Mounjaro covers dietary and lifestyle factors that are worth knowing from the start. Separately, advice on avoiding saggy skin addresses longer-term skin concerns for people further into their treatment journey.
If you are considering tirzepatide and want to understand the full clinical picture before starting, the free consultation at nume is the place to start, a GPhC-registered prescriber reads your assessment the same day and can discuss your individual goals, including how to approach treatment in a way that fits your pace and lifestyle. Once approved, your treatment arrives via DPD the next working day in plain, unbranded packaging, no indication on the box of what's inside.
The people
Superintendent Pharmacist (GPhC No. 2217101)
Accountable for the safe running of our registered pharmacy, from every dispensing check to every dispatch.
Clinical Lead (GPhC No. 2231744)
Sets our clinical standards and checks everything we publish against current MHRA guidance.
Independent Prescriber (GPhC No. 2084501)
Personally reviews consultations and assesses whether treatment is clinically appropriate, and leads dose adjustments and follow-up checks.
Independent Prescriber (GPhC No. 2083426)
Personally reviews consultations and assesses whether treatment is clinically appropriate, and leads dose adjustments and follow-up checks.