Knowledge centre

Understand your hair loss. Decide with confidence.

Honest, plain-English guidance on hair loss and the medicines used to treat it, written for people in the UK and checked against the NHS, NICE, the MHRA and the medicines' own licensing documents.

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Why we publish all this

Hair loss is rarely just about hair. It affects how people see themselves, how they show up at work, and how they feel walking into a room. Too much of what is online is either a sales pitch or a forum thread, and neither helps you make a good decision.

Our mission is to change that: to give everyone clear, honest information about what is happening and what can be done, including the side effects, the limits of the evidence, and the options that do not involve medicine. When you want help, a real clinic with GMC-registered doctors is here. When you do not, we hope this library leaves you better informed and more confident than when you arrived.

Start here

My hairline or crown is thinning My parting is widening I am suddenly shedding a lot of hair Is my treatment working? I am worried about side effects I want to stop my treatment

The library

14 guides Hair loss conditions What is causing your hair loss, how it is diagnosed and every option, including the ones that are not medicines. 25 answers Medication questions How long treatments take, what is normal, and what the evidence really says, with the sources behind each answer. 10 guides Side effects, honestly What the regulator says about each side effect, what to do if it happens, and when to seek help. 5 guides Stopping safely What happens when you stop each medicine, and how to plan it with a doctor rather than alone. 9 checks Interactions Medicines, supplements and blood tests that interact with hair loss treatment, and what to do about it. 19 terms Glossary DHT, off-label, half-life and the marketing phrases worth questioning, defined in plain English. 3 updates MHRA safety updates Every regulator safety update affecting these medicines, in date order. 2 articles Articles In-depth articles on treatments, research and UK regulation.

How we write and check these guides is set out in our editorial policy.

Free online assessment

Get a doctor’s view on your own hair loss

Answer questions about your hair, health and history. A GMC-registered doctor reviews them and tells you honestly whether medication is likely to suit you, or whether a blood test, your GP or a specialist is the better next step. There is no charge for the assessment or the review.

Start your free assessment → How it works 020 3239 3378