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What is Perimenopause: Why Your Hair May Be Falling Out

June 23, 2025 3 min read

 Perimenopause and Its Effect on Your Hair

Most women are aware of menopause and its symptoms, but fewer understand perimenopause—the transitional phase preceding menopause—and how it can often affect your hair. It's common to notice hair thinning or increased shedding during this period, causing stress and anxiety for many women. The good news is, by understanding what causes hair changes during perimenopause and learning effective ways to manage them, you can reassure yourself and adjust your self-care routine accordingly.

What Exactly is Perimenopause?

Perimenopause is a natural life stage marked by hormonal fluctuations that occurs typically between the ages of 40 and early 50s. Essentially, it's your body's gradual progression from regular monthly menstrual cycles toward menopause, the point at which your periods cease permanently. During perimenopause, hormones such as estrogen and progesterone fluctuate significantly, leading to symptoms like irregular periods, mood swings, hot flashes, insomnia, and, notably, changes in hair health.

Why Does Your Hair Fall Out During Perimenopause?

Hair loss during perimenopause can be alarming, but rest assured, it's a common issue faced by many women. The leading cause is hormonal imbalance, particularly declining estrogen levels. Estrogen helps to keep your hair in the growth phase (anagen phase), contributing to a fuller and healthier mane. When estrogen levels fluctuate or decline significantly, your hair growth cycle shortens, and more strands are predisposed to enter the shedding phase (telogen phase), resulting in increased hair loss.

Additionally, hormone shifts during perimenopause may trigger androgenic changes influencing hair thinning patterns. Often, women notice hair thinning around the crown area or wider hair partings during this stage of life.

Other Factors Contributing to Perimenopausal Hair Loss

While hormonal imbalance is a primary factor, other contributing elements can also increase hair fall during perimenopause.

  • Stress: Elevated stress hormone levels, particularly cortisol, can exacerbate hair loss. Mid-life stressors—ranging from career challenges and family caregiving to health and lifestyle changes—often peak during perimenopause.
  • Nutritional Deficiencies: Lack of essential vitamins, minerals, and nutrients such as biotin, iron, and protein can negatively impact hair health.
  • Genetics: Family history plays a considerable role in determining hair thinning patterns and the severity of hair loss during perimenopausal transitions.

Steps You Can Take to Manage Hair Loss During Perimenopause

Experiencing hair loss does not need to lower your self-confidence. There are several effective strategies to minimize perimenopausal hair shedding and promote hair health in general:

  • Adjust Your Diet: Ensure your meals are balanced, nutritious, and include plenty of protein, iron, vitamins, zinc, biotin, and omega-3 fatty acids. These nutrients can support hair health and stimulate growth.
  • Manage Stress Levels: Employ stress-reducing techniques like yoga, meditation, deep breathing exercises, or regular physical activity. Reducing stress can positively impact hormone balance, enhancing overall health, including hair quality.
  • Consider Gentle Haircare Practices: Avoid harsh chemical treatments, perming, tight hairstyles, or excessive heat styling, which can strain already vulnerable hair strands.
  • Seek Expert Advice: Speak openly with a healthcare professional or dermatologist about your hair concerns. They may recommend specialized topical treatments, supplements, or hormone replacement therapies (HRT) designed specifically for perimenopausal women experiencing hair thinning.

When Should You Speak to Your Doctor?

Although some hair shedding is natural in perimenopause, it's significant to establish when hair fall becomes excessive or distressing. If you notice dramatic or sudden hair thinning, patches of hair loss, scalp irritation, or when hair loss profoundly affects your emotional well-being, it's important to consult your doctor.

Your healthcare provider can run tests to pinpoint the underlying reasons—whether hormonal imbalance, nutrient deficiencies, or other medical conditions—and tailor a personalized care plan for your needs.

Embracing the Changes with Confidence

Although perimenopause hair loss can feel challenging, managing and embracing these physical changes confidently can greatly empower you. With increased awareness, proactive care practices, and proper support from your healthcare provider, you're able to nurture your hair's strength, volume, and overall health throughout the perimenopausal journey and beyond.