Women's facial hair

What Are the Causes of a Female Mustache

By Sara . Updated: January 16, 2017
What Are the Causes of a Female Mustache

A full grown mustache or beard on a man’s face is not an uncommon sight and it is quite natural. But excessive facial hair on females, especially the ones which grow in the form of a mustache, are not considered the best feature in women nowadays. Such women go through lots of beauty treatments to have the excessive facial hair removed. But after a short time it is bound to reappear. Instead of blaming it on the beauty treatment let’s understand the real culprit and find out in this OneHowTo article what are the causes of a female mustache.

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  1. Hirsutism
  2. Causes of Hirsutism
  3. What is considered Hirstuism?


For female having thick lustrous hair on the face is regarded as a great boon. Fine hair on other parts of body is also common in women. But if excessive hair growth starts occurring in face (as a mustache or beard), back, chest or abdomen then it becomes a problem for that woman as it is extremely uncommon. This phenomenon of excessive hair growth in some uncommon parts in the female is medically termed as Hirsutism. This phenomenon is associated with androgenic hair growth which means hair growth caused due to the presence of high level of male hormones, androgens in a female body.

Causes of Hirsutism

The causes of Hirsurtism can be several and are as follows:

Polycystic Ovarian Syndrome (PCOS)

In PCOS, multiple cysts occur in one or both of the ovaries. The production of androgens in the ovaries increases due to PCOS and causes excessive growth of facial and body hair in female leading to a beard and moustache. Some of the other symptoms of PCOS are obesity, abdominal pain, irregular menstrual cycle, impaired glucose tolerance and infertility.

Congenital adrenal hyperplasia

In congenital adrenal hyperplasia both adrenal glands present in the female increase in size. Usually, the adrenal gland produces androgens in the female, but in a very small amount. But due to the enlargement of the adrenal glands due to this disorder, the production of excessive amount of androgens begins. This causes the growth of a mustache and body hair in women.

Familial hirsutism

When there is a family history of hirsutism, then the next generation of females has a greater chance of suffering from the same disorder. In such family there may be a genetic history of PCOS or congenital adrenal hyperplasia.

Androgen supplements

To enhance their performance in sports, sometimes female athletes take drugs which increase the level of androgens in their body. The effects of these drugs are increase in bulk muscles, development of masculine features along with growth of facial hair. The level of androgen in one’s body is also affected by other drugs like high progesterone contraceptives, drugs used in hormone replacement therapies and drugs for endometriosis.

Hormone Change

When a female body goes through the menopause phase or pregnancy, lots of changes occurs. Sometimes these changes might trigger hormonal changes causing hirsutism.

What is considered Hirstuism?

Do not freak out if you have some facial hair, this does not necessarily mean you have Hirsutism. Facial hair is considered normal when the hair is fair, fine (if not shaved) and pale.

You should consider you have Hirstuism once you notice that the hair growth on the face is quite similar to the color of your hair and also grows in places like nipples, shoulders, back...

Facial hair is normal, every woman has a different amount and color facial hair so, if you want to get rid of it, you can either lighten it or get rid of it in other ways.

What Are the Causes of a Female Mustache - What is considered Hirstuism?

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What Are the Causes of a Female Mustache