About Hirsutism (Excessive Facial Hair) in Women

Overview

Hirsutism is a condition characterized by the excessive growth of thick hair in areas of a woman's face and body that typically follow a male pattern. Normally, women may have fine, pale hair in these areas, but hirsutism causes the growth of coarse or colored hair that is more visible. This excessive hair growth occurs when the hair follicles are overstimulated by androgen hormones, such as testosterone. Androgens are the dominant sex hormones in men, and women typically have lower levels of these hormones. However, hirsutism can be caused by abnormally high levels of androgens or abnormal stimulation of hair follicles even when androgen levels are normal. It is important to note that normal patterns of hair growth and distribution can vary depending on racial background, with certain groups having more facial and non-scalp hair growth than others.

Causes and Risk Factors

Hirsutism, or excessive facial hair in women, can be caused by various factors. These include:

• Hyperandrogenism: Elevated levels of androgens (male hormones) in the blood can stimulate hair follicles to produce thick, dark hair in areas typically seen in males.
• Polycystic ovary syndrome (PCOS): PCOS is a common cause of hirsutism and is characterized by hormonal imbalances, ovarian cysts, and insulin resistance.
• Idiopathic hirsutism: In some cases, the cause of hirsutism is unknown, but it may be related to increased sensitivity of hair follicles to normal levels of androgens.
• Congenital adrenal hyperplasia (CAH): CAH is a genetic disorder that affects the adrenal glands' ability to produce cortisol and aldosterone. It can lead to excessive androgen production.

Risk factors for hirsutism include:

• Age: Hirsutism tends to decrease with age, especially after menopause.
• Obesity: Being overweight or obese can contribute to hormonal imbalances and increase the risk of hirsutism.
• Insulin resistance: Insulin resistance, often associated with obesity and PCOS, can affect hormone levels and contribute to hirsutism.

It's important to note that these risk factors may vary among individuals, and a thorough evaluation by a healthcare professional is necessary for accurate diagnosis and appropriate management.

Symptoms

The most common early symptoms of hirsutism (excessive facial hair in women) include:

• Significant growth of hair on the upper lip, chin, sideburn area, and around the nipples or lower abdomen.

As hirsutism progresses or becomes more severe, other symptoms may include:

• Mature hair growth on the upper back, shoulders, chest, and upper abdomen
• Oily skin
• Acne
• Enlarged clitoris
• Deeper voice

It's important to note that if hirsutism starts shortly before or after puberty, it could be related to hormonal problems. In such cases, it is recommended to consult a doctor for evaluation.

Diagnosis

To diagnose hirsutism, doctors commonly perform the following examinations, tests, and procedures:

• Physical exam: Doctors examine the patient's body for excessive hair growth in androgen-dependent areas.
• Medical history: Doctors ask questions about the patient's family history of similar symptoms, onset of symptoms, and any medications being taken.
• Bloodwork: Hormone levels, including androgens, are measured through blood tests.
• Menstrual history: Doctors may chart a person's periods and obtain a detailed menstrual history.
• Imaging scans: Scans may be performed to check for tumors or other growths that could be causing excessive hair growth.

Additional examinations, tests, and procedures may include:

• Facial and body hair assessment: The modified Ferriman-Gallwey (mFG) score is used to visually score hair growth in different body parts. Scores below 8 are considered normal, while scores of 8 or higher indicate hirsutism.
• Hair and scalp assessment: The H-N scale and Ludwig classification are used to evaluate patterns of hair loss.

Please note that these are general procedures, and it's important to consult with a healthcare professional for an accurate diagnosis.

Treatment Options

The goals of treatment for hirsutism are to reduce hair growth, improve the appearance of the skin, and address any underlying hormonal imbalances. Here are the recommended treatment options and how they work:

Medications:

• Oral contraceptives: These hormonal medications can regulate hormone levels and reduce androgen production, leading to decreased hair growth.
• Anti-androgens: These medications block the effects of androgens, reducing hair growth. They can be used alone or in combination with oral contraceptives.
• Topical creams: Certain creams can slow down hair growth when applied directly to the skin.

Therapies and procedures:

• Laser hair removal: This technique uses light to destroy hair follicles, resulting in long-term reduction of hair growth. It works best on dark hairs.
• Electrolysis: A small electric current is used to damage hair follicles, leading to permanent hair removal.
• Plucking, shaving, waxing: These methods remove hair temporarily but need to be repeated regularly.
• Chemical hair softeners (depilatory creams): These creams dissolve the hair at the skin's surface, providing temporary relief from excessive facial hair.

Self-care and health behavior changes:

• Weight Loss: For overweight women with hirsutism, losing weight can help reduce androgen levels and improve symptoms.

It's important to note that treatment effectiveness can vary depending on the underlying cause of hirsutism and individual response. Always consult with your healthcare professional for personalized advice.