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Why PMOS causes facial hair growth, what other symptoms may occur, and how treatments such as Vaniqa Cream may help.

What Is PMOS?

Polyendocrine Metabolic Ovarian Syndrome (PMOS), previously known as Polycystic Ovary Syndrome (PCOS), is one of the most common hormonal conditions affecting women of reproductive age. The name was changed to better reflect the fact that the condition affects multiple hormone systems and metabolic health, not just the ovaries.


Not every woman with PMOS experiences the same symptoms, and the severity can vary considerably. For many women, unwanted facial hair growth is the symptom that has the greatest impact on confidence and self-esteem.

Irregular periods
Difficulty becoming pregnant
Acne
Weight gain
Thinning hair on the scalp
Excessive facial or body hair growth

Why Does PMOS Cause Facial Hair Growth?

Facial hair growth in PMOS is usually linked to increased androgen activity. Androgens are often referred to as male hormones, although women naturally produce them too. Women with PMOS may produce higher levels of these hormones or have hair follicles that are more sensitive to their effects.


Many women find the condition particularly frustrating because the hair often returns quickly despite regular removal. As a result of increased androgen activity, hair can become thicker, darker, coarser and more noticeable — often in areas where women would not typically expect prominent hair growth.

Understanding Androgens and Hair Growth

Hair growth is heavily influenced by hormones. Androgens affect the size, activity and behaviour of hair follicles throughout the body. When androgen activity increases, fine, light-coloured hairs can gradually become darker, thicker and faster growing.

Most commonly affected areas

  • Upper lip
  • Chin
  • Jawline
  • Neck

At the same time, increased androgen activity may contribute to thinning hair on the scalp. This combination of facial hair growth and scalp hair thinning is a common feature of PMOS.

Other Symptoms of PMOS

Although excessive facial hair growth is one of the most recognisable symptoms, PMOS often affects several aspects of health. PMOS is also associated with metabolic changes including insulin resistance in some women — one reason the condition was renamed, as the old term did not fully reflect its wider health effects.

Irregular or absent periods
Difficulty conceiving
Acne or oily skin
Weight gain
Thinning scalp hair
Skin tags
Darkened areas of skin

Which Areas of the Body Are Commonly Affected?

When PMOS causes excessive hair growth, the pattern often resembles areas where men commonly grow thicker hair. Symptoms vary significantly between individuals — some women notice only a few coarse hairs, while others experience more extensive hair growth requiring regular management.

Upper lip
Chin
Jawline
Neck
Chest
Abdomen
Back

Can Facial Hair From PMOS Be Treated?

Yes. Although PMOS is a long-term condition, there are several ways to manage unwanted facial hair growth. Approaches are often combined — hair removal methods manage existing hair while other treatments address the rate of new growth or the underlying hormonal cause.

Hair removal
Shaving, Waxing, Threading and Plucking

These methods remove existing hair but do not affect future growth. They remain the most common approach for day-to-day management.

Longer-lasting reduction
Laser Hair Removal

Laser treatment can help reduce hair growth by targeting hair follicles. Several sessions are usually required and results vary between individuals.

Addressing the cause
Managing Hormonal Factors

Addressing the underlying hormonal aspects of PMOS may help reduce future hair growth in some women.

Prescription treatment
Topical Prescription Treatments

Prescription treatments may help slow the growth of unwanted facial hair and can be used alongside other hair removal methods.

Lifestyle Changes That May Help

Lifestyle measures cannot remove existing facial hair, but they may help support overall hormonal and metabolic health. These measures may form part of a wider treatment plan where appropriate.

  • Maintaining a healthy weight
  • Regular physical activity
  • Managing stress
  • Following a balanced diet
  • Prioritising good sleep habits

How Vaniqa Cream Can Help Manage Facial Hair Growth

For women whose main concern is excessive facial hair growth, prescription treatment may be an option. One treatment we may discuss during a consultation is Vaniqa Cream. Vaniqa contains eflornithine, which works by slowing the growth of facial hair. Rather than removing existing hair, it helps reduce the rate at which new hair grows, making unwanted facial hair easier to manage over time.


Many women continue using their usual hair removal methods alongside treatment. Results develop gradually, and it may take several weeks before improvements become noticeable. Continued use is generally required to maintain the benefits. During your consultation, our pharmacy team can assess whether Vaniqa may be suitable for your symptoms.

When Should You Seek Medical Advice?

Many women initially assume that facial hair growth is simply a cosmetic concern. However, seeking advice can help identify whether there is an underlying hormonal cause and what treatment options may be available.

It may be worth seeking advice if

  • Hair growth is becoming more noticeable
  • Symptoms developed suddenly
  • You have irregular periods
  • You are experiencing acne or scalp hair thinning
  • Symptoms are affecting your confidence
  • You suspect PMOS may be the cause

What to Do Next

If you are struggling with unwanted facial hair growth and think PMOS may be contributing to your symptoms, you are not alone. Our pharmacy team can assess your symptoms, discuss possible causes, and advise whether treatments such as Vaniqa Cream may be suitable for you.


Many women find that understanding the cause of their symptoms is the first step towards improving confidence and gaining better control over unwanted hair growth. If you would like to explore your options, you can complete our consultation questionnaire and a member of our pharmacy team will review your information and advise on the most appropriate next steps.

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