Women’s Hair Loss

Women can lose hair for many reasons, including genetics, hormones, medical conditions, medications, and aging.

The most common type of hair loss in women is female pattern hair loss, which usually appears as:

• Gradual thinning at the crown
• Widening of the hair part
• Overall loss of hair volume

Unlike men, women rarely experience complete baldness or a receding hairline. Women are more likely to experience hair loss if they:

• Are over age 40
• Recently gave birth
• Are undergoing chemotherapy or taking certain medications
• Frequently wear tight hairstyles or use harsh chemical treatments
• Are perimenopausal or menopausal

Yes. Polycystic ovary syndrome (PCOS) is a hormonal disorder that can increase androgen (male hormone) levels in women. Elevated androgens may shrink hair follicles on the scalp, leading to thinning—especially near the front or crown of the head. This is a common cause of female pattern hair loss.

During pregnancy, higher estrogen levels often reduce normal hair shedding, making hair appear thicker. After delivery, hormone levels drop back to normal, and delayed shedding may occur.

This postpartum hair loss usually begins 1–3 months after childbirth and is temporary.

Hormonal birth control—including pills, injections, patches, and implants—can sometimes trigger hair loss, particularly in women who are sensitive to hormonal changes.

Some forms contain progestins with androgen-like effects, which may contribute to thinning. Switching to a non-hormonal option or starting hair loss treatment may help.

Yes. Declining estrogen levels during menopause can disrupt the hair growth cycle and contribute to thinning, especially at the crown and part line.

There is no strong evidence that dry shampoo directly causes hair loss. While product buildup or irritation may affect scalp health, dry shampoo itself has not been shown to cause alopecia.

Rapid or significant weight loss can stress the body and lead to telogen effluvium, a temporary form of hair shedding. This often occurs about three months after weight loss begins and may be linked to nutrient deficiencies or restrictive dieting.
In most cases, hair growth resumes within six months.

Losing 50–100 hairs per day is normal. On wash days, people with longer or thicker hair may notice up to 150–200 strands, which can appear alarming but is often within a normal range.

Certain medications can interfere with the hair growth cycle. Drug-related hair loss varies based on dosage, duration, and individual sensitivity.

Medications commonly associated with hair loss include:

• Hormonal contraceptives
• Antidepressants and mood stabilizers
• Blood pressure medications
• Cholesterol-lowering drugs
• Thyroid medications
• Steroids
• NSAIDs
• Immunosuppressants
• Weight-loss drugs
• Cancer treatments, including chemotherapy

Chemotherapy-related hair loss is common but typically temporary.

Prescription options for female pattern hair loss include:

Minoxidil (Rogaine®)

• Available as oral tablets (prescription) or topical foam/liquid
• FDA-approved for women
• Helps stimulate hair growth and slow shedding

Spironolactone (Aldactone®)

• Prescription oral medication
• Reduces androgen effects that contribute to hair thinning

Your provider will determine the best option based on your health history and hair loss pattern.

Shampoos don’t treat the root cause of hair loss, but they can support scalp health. Look for moisturizing formulas with ingredients like ketoconazole, which may help improve scalp conditions and hair strength.

Yes. Hormonal imbalances—especially from PCOS, thyroid disorders, or stopping hormonal birth control—can trigger thinning or shedding. Treating the underlying condition is often key to restoring hair growth.

Stress-related hair loss is usually telogen effluvium and is often temporary.

• Acute stress hair loss typically resolves within 6 months
• Chronic stress hair loss lasts longer but rarely leads to total baldness

Once the stressor is addressed, hair often regrows naturally. Treatments may include minoxidil, nutritional supplements, and gentle hair-care practices.

Collagen provides amino acids that support hair structure and follicle health. While research is limited, collagen may help improve hair thickness and strength in some women.

Collagen can be consumed through bone broth or powdered supplements.

A balanced diet is essential, but supplements may help address deficiencies. Commonly recommended nutrients include:

• Biotin
• Iron
• Vitamin D
• Vitamin E
• Zinc
• B-complex vitamins
• Omega-3 and omega-6 fatty acids

Some plant-based supplements, such as pumpkin seed oil, may also support hair health.