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Patient Information Leaflets (PILs)

These Patient Information Leaflets (PILs) are specially written by the British Association of Dermatologists (BAD).

Please note:

  1. There are thousands of different skin complaints, therefore, the focus of the British Association of Dermatologists' PILs production is on the most common, rarest or debilitating skin conditions.
  2. The offer to provide details of source materials used to inform the British Association of Dermatologists' PILs is for instances where the advice provided in the PILs does not reflect local practice and therefore evidence supporting said advice needs to be produced. It is not an offer to conduct literature searches or supply bibilographic materials for your own research.

For the latest BAD advice on Covid-19 for patients, please check the News and Media section of the website. Find this here. Our information for healthcare professionals is here.


Hirsutism refers to excessive growth of thick and coarse hair in women which appears the upper lip, chin, central chest, abdomen, lower back, buttocks and thighs similar to men. Hirsutism affects approximately 5-10% of women in Western societies and is more common in those of Mediterranean or Middle-Eastern descent.

Generalised excessive hair growth that is not in a gender-specific pattern is known as hypertrichosis, which means increased (‘hyper) hair (‘trichosis’). This is a different condition and will not be discussed in this patient information leaflet.

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