What effects does it have?

What is it?

Cream that temporarily slows hair growth.

It's also known as Vaniqa.

How long does it last?

Eflornithine only works while being regularly applied and stops working within weeks if application is stopped. The cream may take up to 24 weeks to reach its maximum effect.

More information

Eflornithine inhibits an enzyme (ornithine decarboxylase) that is part of the process of hair growth 1.

It is a cream, applied to an area of the body twice a day, at least eight hours apart. Eflornithine takes up to eight weeks to work, and the original rate of hair growth resumes within eight weeks of stopping eflornithine.

Eflornithine is not suitable for under 18s or people who are pregnant. It is only available in the UK by prescription. 2.


  1. 1 Seal, Leighton J (2007) “The practical management of hormonal treatment in adults with gender dysphoria,” in Barrett, J. (ed.), Transsexual and other disorders of gender identity: A practical guide to management, Radcliffe Publishing, pp. 157–190.
  2. 2 Electronic Medicines Compendium (2014) “Vaniqa 11.5% cream.” [online] Available from: https://www.medicines.org.uk/emc/medicine/21334

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Page last updated: August 2017