Hair Loss in Women; How Hormones , Iron , Vitamins impact your hair

Hair loss in women is more common than many realize—and it’s not just about aging or genetics. Hormonal changes, nutritional deficiencies, and life transitions like menopause can all play a significant role. While it's often a distressing experience, understanding the underlying causes can be the first step toward managing and even reversing the issue.

The Hormonal Connection

Hormones are powerful messengers that regulate many bodily functions—including hair growth. In women, fluctuations in estrogen, progesterone, and testosterone can directly impact hair follicles.

• Estrogen and progesterone help keep hair in its growing phase (anagen). When levels drop—such as during menopause or after childbirth—hair may enter the shedding phase more quickly.

• An increase in androgens (male hormones like testosterone), often seen in conditions like polycystic ovary syndrome (PCOS) or during menopause, can shrink hair follicles and lead to a pattern similar to male-pattern baldness, especially at the crown.

Common Hormonal Triggers:

• Pregnancy and postpartum changes

• Birth control use or discontinuation

• Menopause and perimenopause

• Thyroid imbalances

The Importance of Iron

Iron is crucial for healthy hair growth, as it helps carry oxygen to your cells—including the hair follicles. Iron deficiency, even in the absence of full-blown anemia, is a common cause of hair thinning in women.

Women of reproductive age are particularly vulnerable due to blood loss from menstruation. Vegans and vegetarians may also be at risk if their diets lack sufficient iron-rich foods or if absorption is compromised.

Signs you might be low in iron:

• Fatigue

• Brittle nails

• Pale skin

• Cold hands and feet

• Increased hair shedding

A blood test (ferritin level) is typically used to check iron stores. Many experts recommend ferritin levels above 70 ng/mL for optimal hair health.

Vitamin Deficiencies and Hair Health

Several vitamins play a vital role in hair strength, growth, and follicle function. Here are the key ones to watch:

• Vitamin D: Supports the hair follicle cycle. Low levels are linked to alopecia areata and general hair thinning.

• B Vitamins: Especially Biotin (B7), which is often marketed for hair growth. While true biotin deficiency is rare, B vitamins help with overall cell metabolism and hair follicle health.

• Zinc: Supports follicle recovery and regulates oil glands around the hair shaft.

• Vitamin A: Helps with cell growth—but too much can trigger hair loss.

• Vitamin E: Acts as an antioxidant to protect hair cells from oxidative stress.

A well-rounded, nutrient-rich diet is essential, and in some cases, supplements may be recommended after lab testing.

Menopause and Hair Loss

Menopause is a natural life transition—but it comes with a hormonal upheaval that can impact your hair. As estrogen and progesterone decline, hair may become thinner, drier, and more prone to shedding. For many women, this results in diffuse thinning across the scalp rather than bald patches.

Other contributing factors during menopause:

• Slower hair growth cycle

• Increased hair breakage due to dryness

• Heightened sensitivity to stress and inflammation

• Reduced thyroid function

Managing menopausal hair loss often requires a multi-pronged approach—addressing hormones, nutrition, stress, and scalp health.

What Can You Do?

If you’re experiencing hair loss, consider these steps:

1. See a healthcare provider: Rule out underlying issues like thyroid problems, PCOS, or anemia.

2. Get your blood work done: Check ferritin, vitamin D, B12, and thyroid levels.

3. Support with diet and supplements:

   • Eat protein-rich foods (hair is made of keratin, a protein)

   • Include iron-rich foods: red meat, lentils, spinach, pumpkin seeds

   • Supplement responsibly if deficiencies are confirmed

4. Consider hormonal support:

   • For menopausal women, hormone therapy may be an option under medical guidance.

   • Topical treatments like minoxidil can help stimulate regrowth.

5. Be gentle with your hair:

   • Avoid excessive heat styling

   • Minimize harsh chemicals

   • Use gentle, sulfate-free shampoos

Final Thoughts

Hair loss in women can feel frustrating and deeply personal—but you're not alone, and it’s often manageable. By addressing hormonal shifts, correcting nutrient deficiencies, and supporting your body through transitions like menopause, you can help restore balance—not just to your scalp, but to your overall well-being.

If you’re unsure where to begin, consult with a dermatologist, endocrinologist, or trichologist for a comprehensive evaluation.

If you are currently my client I will usually let you know that you have an issue and advise to see your Dr.