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Women and Thinning Hair: Causes and Remedies Explored

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Thinning hair is a common issue that affects many women. Hair loss can be a distressing and alarming problem that significantly impacts self-esteem. Hair growth is cyclical, with hair shedding being a natural process that gives way to the growth phase of the hair follicle. However, sometimes this cycle is interrupted, resulting in thinning hair.

Women are more likely than men to experience hair thinning. By the age of 50, over half of women will experience some form of hair loss. For women, thinning hair is more diffuse and typically affects their entire scalp, rather than just certain areas.

Thinning hair can have a profound effect on women's mental health, particularly their self-esteem. It can be a source of embarrassment and anxiety in many social situations and can even lead to depression in some severe cases. The psychological impact of hair loss should not be underestimated, and it is crucial to address the underlying causes to prevent further hair loss.

Understanding the causes of thinning hair is the first step to finding a remedy. From hormonal imbalances to genetics and nutritional deficiencies, several factors can cause thinning hair in women. The good news is that numerous remedies are available, ranging from essential oils and dietary supplements to medical treatments like minoxidil and platelet-rich plasma therapy.

Causes of Thinning Hair in Women

Hormonal Imbalances

Hormonal imbalances are a common cause of thinning hair in women. Hormones play a crucial role in the hair growth cycle and can impact hair growth rates. Some of the most common hormonal imbalances that can lead to hair thinning include:

  • Menopause: Hormonal changes during menopause can lead to thinning hair. As estrogen levels decrease, hair follicles experience a shorter growth phase, leading to hair thinning and hair loss.
  • Pregnancy: Hormonal imbalances during pregnancy can also lead to hair thinning or hair loss. Hormonal fluctuations can lead to a prolonged resting phase, leading to hair thinning.
  • Polycystic Ovary Syndrome (PCOS): PCOS is a hormonal disorder that can lead to hair thinning in women. Elevated levels of androgens, male hormones typically found in small quantities in women, can lead to hair thinning.


Genetics can play a significant role in hair thinning in women. If you have a family history of hair thinning or hair loss, you may be more prone to developing it yourself.

Nutritional Deficiencies

Nutrition plays a critical role in healthy hair growth. Deficiencies in critical nutrients can lead to hair thinning and hair loss. Some of the common deficiencies related to hair thinning include:

  • Iron deficiency: Iron is essential for hair growth, and a lack of this nutrient can lead to hair thinning or hair loss.
  • Vitamin D deficiency: Vitamin D plays a role in hair follicle cycling, and low levels can lead to hair thinning.
  • Protein deficiency: Hair is composed of a protein called keratin, and a lack of this nutrient can lead to hair thinning and hair loss.


Certain medications can lead to hair thinning in women. Here are some of the most common medications that can cause hair thinning:

  • Chemotherapy drugs: Chemotherapy attacks rapidly dividing cancer cells, but it also affects other cells, including hair follicles.
  • Steroids: Long-term use of steroids can lead to hair thinning or hair loss.
  • Antidepressants: Certain antidepressants have been known to cause hair thinning in some people.
  • Birth control pills: Some women may experience hair thinning or hair loss when they start taking birth control pills.

Symptoms of Thinning Hair in Women

Thinning hair in women can have several symptoms, and it's essential to identify them early to take appropriate measures to prevent further hair loss or treat the underlying cause. Here are some of the most common symptoms of thinning hair in women:

Hair Loss

Hair loss is perhaps the most noticeable symptom of thinning hair. In women, hair loss can manifest differently than in men. Generally, women experience a more diffuse pattern of hair loss, where the hair thins out throughout the scalp instead of a receding hairline or bald spots. You may notice more hair coming out when you brush or wash your hair or clumps of hair on your pillow.

Thinning Hair

Thinning hair can refer to a reduction in the density of your hair. If you notice that your hair feels less full or that you can see more of your scalp, this could be a sign of thinning hair. Thinning hair can occur throughout the scalp, but it's most common on the top or crown of the head.

Receding Hairline

A receding hairline is the backward march of the hairline from its natural position. In women, a receding hairline is less common than in men and usually starts with a widening of the parting. Receding hairline can be a sign of thinning hair and is usually a result of hormonal changes or genetics.

Hair Breakage

Hair breakage can happen as a result of excessive styling, heat, or chemical damage. However, in some cases, hair breakage can be a sign of thinning hair. If you notice that your hair feels brittle or snaps off easily, it may be a sign that your hair is thinning.

Remedies for Thinning Hair in Women

If you're experiencing thinning hair, don't lose hope! There are several remedies you can try to help improve the thickness and health of your hair. Here are some options you can consider:

Essential Oils

Using essential oils can help stimulate hair growth and improve hair health. Some of the essential oils that have shown promising results in treating thinning hair in women include:

- Lavender: promotes hair growth and moisturizes the scalp.
- Rosemary: stimulates hair growth and helps prevent hair loss.
- Peppermint: stimulates blood flow to the scalp, promoting hair growth.

To use essential oils, dilute a few drops in a carrier oil, like coconut or jojoba oil, and massage into the scalp. Leave on for at least 30 minutes before shampooing out.

Dietary Supplements

Certain dietary supplements can improve the health and thickness of your hair. Some of the most effective supplements for thinning hair in women include:

- Biotin: a B vitamin that promotes hair growth and strengthens hair.
- Iron: an essential mineral for healthy hair growth.
- Vitamin D: plays a role in promoting hair growth and preventing hair loss.

It is important to note that taking too much of a dietary supplement can have negative effects on your health, so be sure to speak with your doctor before taking any supplements.

Lifestyle Changes

In addition to topical treatments and supplements, consider making some lifestyle changes to help improve the health of your hair. Here are some changes you can make:

- Scalp massage: stimulates blood flow to the scalp, promoting hair growth.
- Using gentle hair care products: harsh chemicals in hair care products can damage hair and promote hair loss.
- Limiting heat styling tools: too much heat can damage hair and lead to hair loss.
- Stress management: stress can cause hair loss, so finding ways to manage stress can help promote hair health.

By using a combination of these remedies, you can help improve the health and thickness of your hair, promoting a fuller head of hair and a more confident you.

Medical Treatments for Thinning Hair in Women

While some lifestyle changes and home remedies can help improve the health and thickness of your hair, some women may require medical treatment to effectively treat hair loss. Here are some medical treatments that can be used to treat thinning hair in women:

Topical Minoxidil

Minoxidil is a topical solution that is applied directly to the scalp. It is FDA-approved for both men and women and has been shown to effectively stimulate hair growth. Minoxidil works by widening the blood vessels in the scalp, which allows more oxygen, blood, and nutrients to reach the hair follicles, promoting healthy hair growth. Patients typically apply minoxidil twice daily, and results can generally be seen within a few months.

Oral Medications

Another medical treatment option for thinning hair in women is oral medication. Finasteride is an oral medication that has been shown to help stimulate hair growth in women, although it is not FDA-approved for female use. Other medications like spironolactone and dutasteride are also used in some cases. These medications work by inhibiting the production of hormones that can contribute to hair loss. As with any medication, it is important to discuss potential side effects with your healthcare provider before starting treatment.

Platelet-Rich Plasma (PRP) Therapy

Platelet-rich plasma (PRP) therapy involves taking a sample of your blood, processing it to concentrate the platelets, and then injecting the platelet-rich solution back into your scalp. Platelets contain growth factors that can help stimulate hair growth and repair damaged hair follicles. While PRP therapy is still considered a relatively new treatment option, some early studies have shown promising results in treating hair loss.

Hair Transplant Surgery

Hair transplant surgery involves taking hair follicles from a donor area of the scalp, usually the back of the head, and transplanting them into the thinning or balding area. This procedure is typically reserved for women who have tried other treatment options without success, as it is a more invasive and expensive option. Results can vary, and it may take several months to see the full effects of the procedure.


Thinning hair in women can have many causes, including genetics, hormonal imbalances, nutritional deficiencies, and certain medications. It is important to determine the underlying cause of your hair loss before beginning any treatment plan.

Thankfully, there are several remedies available for thinning hair in women. Some lifestyle changes that can help improve the health of your hair include scalp massage, using gentle hair care products, limiting heat styling tools, and stress management techniques. Essential oils and dietary supplements, such as biotin and iron, can also be helpful in promoting hair growth.

If home remedies are not improving your hair loss, there are medical treatment options available. These include topical minoxidil, oral medications like finasteride, platelet-rich plasma (PRP) therapy, and hair transplant surgery.

William H. McDaniel, MD

Dr. Robert H. Shmerling is the former clinical chief of the division of rheumatology at Beth Israel Deaconess Medical Center (BIDMC), and is a current member of the corresponding faculty in medicine at Harvard Medical School.

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