Can Finasteride for Women Reverse Hair Loss? Who Can—and Can’t—Take Propecia
Plus discover the potential side effects and alternative treatment options
Key Takeaways
- Finasteride (Propecia) is used off-label to treat hair loss in postmenopausal women
- Pregnant women or those planning to become pregnant should never take finasteride
- Alternative treatments like minoxidil and PRP can safely support hair regrowth
So many amazing things happen to us as we get older: we’re wiser, more confident and more comfortable in our own skin. But one thing we don’t love? The seemingly inevitable thinning hair that comes with age. Of all the tonics and treatments purported to boost hair growth out there, you may be wondering if finasteride, or Propecia, can be used for women. Here, a leading dermatologist breaks down everything you need to know about the potential benefits, including a vital health warning for women of childbearing age and alternative treatments that might work even better.
What is finasteride?
Finasteride (brand name Propecia) is an FDA-approved hair loss treatment for men. It’s also used off-label to help women experiencing female pattern hair loss (FPHL). “It works by inhibiting the enzyme that converts testosterone into dihydrotestosterone (DHT), helping lower levels of this androgen in the body,” explains board-certified NYC cosmetic dermatologist Michele Green, MD.
Why does lowering DHT matter for hair loss in women “DHT can significantly affect hair follicles by binding to them and disrupting their growth cycle, leading to decreased new hair growth and contributing to hair thinning,” she says. By reducing DHT levels, finasteride treatment helps give your hair follicles a better chance to thrive.
Woman's World Answers
Can women take finasteride?
“While finasteride is primarily marketed for men, it may be effective for postmenopausal women experiencing hair loss,” Dr. Green notes.
Interested in trying finasteride for hair loss? Ask your doctor or board-certified dermatologist if it might be right for you. If it is, they can write a prescription for off-label use. The retail price of finasteride is about $94, but depending on your dosage, you could potentially pay as little as about $5 per month using prescription drug coupons from websites like GoodRx and SingleCare.
Critical safety warning about finasteride
Women who are pregnant or may become pregnant should never take finasteride and shouldn’t even touch broken or crushed tablets, cautions Dr. Green. Exposure during pregnancy can cause serious birth defects in male babies.
Beyond pregnancy concerns, finasteride may cause other side effects in some women, including:
- Reduced sex drive
- Breast tenderness or enlargement
- Headache
- Dizziness
- Skin rash
3 effective alternatives to finasteride for women
If finasteride isn’t right for you, or if you experience unwanted side effects, don’t worry. Several alternatives are available, assures Dr. Green. “To determine the most effective treatment plan, it’s best to consult a board-certified dermatologist who can tailor recommendations to your individual needs.” Some potential options to help treat hair loss in women:
Topical minoxidil (Rogaine)
Minoxidil is a popular option for promoting hair growth, confirms Dr. Green. “It works by widening blood vessels in the scalp, improving the delivery of oxygen and nutrients to hair follicles. It also wakes up dormant follicles, encourages them to grow and helps strengthen thinning hair over time.”
Oral spironolactone (Aldactone)
Another option is oral spironolactone, which can be especially beneficial for women with hormonal imbalances contributing to hair loss, notes Dr. Green. “It works by blocking androgens—hormones that can trigger hair thinning—making it particularly effective for women dealing with conditions like polycystic ovary syndrome (PCOS).”
Platelet-rich plasma (PRP) therapy
Medical treatments such as PRP use the body’s own growth factors to stimulate hair follicles, explains Dr. Green. “PRP is a non-invasive treatment derived from a patient’s blood, using concentrated growth factors to encourage thicker, healthier hair over time and improve overall density.”
Pro tip: For optimal results, Dr. Green notes that PRP can be combined with medications like finasteride or minoxidil when appropriate for your situation.
The bottom line on finasteride for women
Finasteride can be an effective option for postmenopausal women struggling with hair loss, but it’s not safe for everyone. Women who are pregnant or of childbearing age should avoid this medication due to serious risks of birth defects.
The good news? Proven alternatives like minoxidil, spironolactone and PRP therapy offer effective solutions for regrowing hair. The most important step is consulting a board-certified dermatologist who can evaluate your situation and recommend the safest, most effective treatment plan for you.
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