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Reasons for Hair Loss in Women and How to Fix Them

Published : January 25, 2024 6 mins read Updated On : Jun 27, 2024

Hair loss is a distressing condition that affects a significant number of women, impacting their self-esteem and overall quality of life. Contrary to popular belief, hair loss is not just a male issue. According to the American Academy of Dermatology, around 40% of women experience visible hair loss by the age of 40. Understanding the causes and available treatments is essential for managing and mitigating this issue (1).

Reasons for Hair Loss in Women and How to Fix Them

How Common Is Hair Loss in Women?

Hair loss in women is more common than many realize. An estimated 50% of women will experience noticeable hair loss in their lifetime. This prevalence increases with age, and it is not uncommon for women to begin noticing thinning hair as early as their 20s and 30s. Hair loss can manifest in various forms, ranging from a gradual thinning of hair to more severe cases such as alopecia areata, where patches of hair fall out.

What are the Cycles of Hair Growth?

The hair growth cycle consists of three primary phases:

  1. Anagen (Growth Phase): Lasts 2-7 years. Hair actively grows about 1 cm every 28 days.
  2. Catagen (Transition Phase): Lasts 2-3 weeks. Hair growth stops, and the follicle shrinks.
  3. Telogen (Resting Phase): Lasts about 3 months. Hair is shed, and new hair begins to form.

Detailed Breakdown of Hair Growth Cycle

1. Anagen Phase (Growth Phase)

  • Duration: 2-7 years, but it can extend up to 10 years for some individuals.
  • Characteristics: Hair follicles are actively producing new hair. Approximately 85-90% of the hairs on your scalp are in this phase at any given time.
  • Growth Rate: Hair grows roughly 1 cm per month. Genetics and individual health can influence the duration of this phase and the rate of hair growth.
  • Importance: The length of this phase determines the maximum length your hair can reach. People with longer anagen phases can grow their hair longer before it sheds.

2. Catagen Phase (Transition Phase)

  • Duration: 2-3 weeks.
  • Characteristics: This is a transitional phase where the hair follicle shrinks and detaches from the blood supply, halting hair growth. About 1-2% of your hair is in this phase at any time.
  • Process: The follicle’s lower part is absorbed, and the hair is pushed up towards the surface of the scalp as it prepares to shed.

3. Telogen Phase (Resting Phase)

  • Duration: Approximately 3 months.
  • Characteristics: The follicle is inactive, and the hair is eventually shed. New hair begins to grow beneath the old hair. Around 10-15% of hairs are in this phase.
  • Process: Old hair falls out to make room for new hair growth. It's normal to lose 50-100 hairs daily during this phase.
  • Shedding: Hair shedding at the end of this phase is a natural part of the cycle. However, if the telogen phase is prolonged or if more hairs enter this phase than usual, noticeable hair thinning or shedding can occur.

Symptoms of Hair Loss in Women

The symptoms of hair loss in women can vary but generally include:

  • Thinning on the Top of the Head: This is the most common type of hair loss and usually begins with a widening of the part.
  • Bald Spots: Some women experience circular or patchy bald spots on the scalp, often affecting the hairline or crown.
  • Sudden Hair Loosening: Hair may come out suddenly in handfuls, often after physical or emotional shock.
  • Full-Body Hair Loss: Certain conditions or treatments, like chemotherapy, can result in the loss of hair across the body.
  • Scalp Pain or Itching: Accompanying hair loss with discomfort or inflammation on the scalp.

Causes of Hair Loss in Women

Understanding the root cause of hair loss is crucial for effective treatment. Here are the primary factors contributing to hair loss in women:

  • Genetic Factors: Androgenetic alopecia, or female-pattern baldness, is the most common cause. It is hereditary and involves a gradual thinning of hair, usually starting at the part line.
  • Hormonal Changes and Imbalances: Hormones play a significant role in hair growth. Conditions like pregnancy, menopause, and thyroid problems can cause hormonal shifts that lead to hair loss (2).
  • Medical Conditions: Various medical conditions such as polycystic ovary syndrome (PCOS), autoimmune diseases (e.g., alopecia areata), and scalp infections can result in hair loss.
  • Medications: Certain medications, including those for cancer, arthritis, depression, heart problems, and high blood pressure, can have hair loss as a side effect.
  • Nutritional Deficiencies: A lack of essential nutrients like iron, protein, and vitamins can lead to hair thinning and loss. Diets low in iron, biotin, or zinc can affect hair health.
  • Physical or Emotional Stress: High stress levels can push hair follicles into a resting phase, resulting in increased shedding. Events like surgery, illness, or trauma can also trigger temporary hair loss.
  • Hair Treatments and Styling: Overuse of heat styling tools, chemical treatments, and tight hairstyles can damage hair and cause it to fall out.

Treatment to Prevent Hair Loss and Promote Hair Growth

Addressing hair loss involves a multi-faceted approach, combining medical treatments, lifestyle changes, and nutritional support (3).

Medical Treatments

  • Topical Treatments: Minoxidil (Rogaine) is an FDA-approved treatment for hair loss in women. It can help stimulate hair growth and slow the rate of hair loss.
  • Oral Medications: Spironolactone, an anti-androgen medication, can be effective for women with hair loss due to hormonal imbalances.
  • Hair Transplant Surgery: For women with severe hair loss, hair transplantation can be an option. This involves moving hair follicles from a denser area to the thinning areas.
  • Laser Therapy: Low-level laser therapy (LLLT) can promote hair growth and thickness.

Natural Treatments and Lifestyle Changes

    • Healthy Diet: A balanced diet rich in vitamins and minerals supports hair health. Essential nutrients include:
    • Iron: Found in spinach, red meat, and legumes.
    • Biotin: Present in eggs, nuts, and whole grains.
    • Vitamin D: Available in fatty fish and fortified dairy products.
    • Managing Stress: Techniques like meditation, yoga, and regular physical activity can reduce stress and its impact on hair health.
    • Avoiding Harsh Treatments: Limiting the use of heat styling tools, chemical treatments, and tight hairstyles can prevent damage to hair.
    • Supplements: Supplements like amino acids and biotin can be beneficial. Studies show that biotin deficiency can lead to hair thinning, and supplementation can improve hair strength.


    Hair loss in women is a complex issue influenced by genetic, hormonal, medical, and lifestyle factors. Recognizing the symptoms and understanding the underlying causes are essential for effective management. Treatments range from medical interventions like minoxidil and hormone therapy to natural methods such as a nutritious diet and stress management. By addressing the root causes and adopting a holistic approach to hair health, many women can achieve significant improvement in hair growth and thickness.

    Scientific evidence supports the efficacy of treatments like minoxidil and lifestyle changes such as a balanced diet and stress reduction. Ongoing research continues to explore new avenues for treating and preventing hair loss, offering hope for those affected by this common condition.


    1. Why is my hair falling out so much?

    Excessive hair loss can be due to genetics, hormonal changes, stress, nutritional deficiencies, medical conditions, or the use of harsh hair treatments. Identifying the specific cause is crucial for finding effective treatment.

    2.How much hair loss is normal?

    Losing 50 to 100 hairs daily is normal. Excessive shedding beyond this range may indicate an underlying issue requiring attention. Regular hair shedding is part of the hair growth cycle.

    3. Which deficiency causes hair fall?

    Hair loss can result from deficiencies in iron, biotin, zinc, vitamin D, and protein. These nutrients are essential for maintaining healthy hair growth and strength.

    Soumil Vartak
    Health and Fitness enthusiast

    Soumil is really passionate about health and fitness. He provides great insight on various trends about health and fitness. By writing about these topics he try to provide key insight on diet and e... Read More


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