Dutasteride: Price, Pros & Cons in the UK
A more potent DHT blocker sometimes used when finasteride hasn't worked well enough.
Quick Facts
- Hair Loss — off-label
- Typical cost: £25–£45/mo
- 2 providers currently offer this
- Content last reviewed 13 August 2026
This page provides general information, not medical advice — whether any treatment is right for you is a decision for a UK-registered prescriber after reviewing your individual history.
What it is
Dutasteride blocks DHT production more completely than finasteride. It's licensed in the UK for prostate conditions, so its use for hair loss is off-label, though commonly prescribed this way by online hair loss services.
Pros and cons
Why it's good
- More potent DHT suppression than finasteride, which may help where finasteride alone hasn't given enough result
- Once-daily tablet, similar routine to finasteride
- An established option among clinicians for patients not responding well to finasteride
Why it's not for everyone
- Off-label use for hair loss means less formal licensing backing than finasteride specifically for this purpose
- Similar but potentially more pronounced sexual side effect profile than finasteride, given stronger DHT suppression
- Longer half-life than finasteride, so side effects (if they occur) may take longer to resolve after stopping
- Not usually a first-line choice — most clinicians start with finasteride first
Who it's best for
Men who haven't seen enough improvement on finasteride alone, typically after discussing the trade-offs with a prescriber.
Typical cost
Providers offering this
Frequently asked questions
What is Dutasteride?
Dutasteride blocks DHT production more completely than finasteride. It's licensed in the UK for prostate conditions, so its use for hair loss is off-label, though commonly prescribed this way by online hair loss services.
How much does Dutasteride cost in the UK?
Dutasteride typically costs £25–£45/mo in the UK, though the exact price depends on dose and provider.
Who is Dutasteride best suited to?
Men who haven't seen enough improvement on finasteride alone, typically after discussing the trade-offs with a prescriber.
Sources
- NHS website — medicines information.
- Electronic Medicines Compendium (emc) — Summary of Product Characteristics for the licensed product.
- Medicines and Healthcare products Regulatory Agency (MHRA) — UK licensing and safety information.
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