Excess facial and body hair—medically called hirsutism—is one of the most distressing symptoms of polycystic ovary syndrome. It affects roughly 70% of women with PCOS, and it often comes with a frustrating lack of conversation about what actually works. In my decade as a health editor, I’ve heard from countless readers who’ve tried everything from at-home laser devices to herbal teas, with mixed results. So I went straight to the experts: endocrinologists who treat PCOS daily. Here are five specific, science-backed strategies they recommend to slow unwanted hair growth—no false promises, just real guidance.
1. Address the hormonal root with anti-androgen medication
Excess hair in PCOS happens because your ovaries and adrenal glands produce too many androgens—male-type hormones like testosterone. The hair follicles on your face, chest, and back are especially sensitive to these signals, so they switch from fine vellus hairs to thick, dark terminal hairs. Endocrinologists often start with a medication called spironolactone, which blocks androgen receptors in the follicles. It’s not a quick fix: you’ll need to take it daily for at least six months to see a difference. Most women notice slower, finer regrowth rather than complete disappearance. A common starting dose is 50 to 100 mg per day, but your doctor will tailor it based on your blood pressure and potassium levels. Do not take this drug if you are trying to conceive or are pregnant—it can cause birth defects.
One caveat: Spironolactone is a diuretic, so it can make you pee more and may lower your blood pressure. Stay hydrated and ask your doctor about periodic potassium checks.
2. Add birth control pills to stabilize hormone fluctuations
Combined oral contraceptives (the pill) are the first-line treatment for PCOS-related hirsutism, according to the Endocrine Society. They contain a synthetic estrogen called ethinyl estradiol and a progestin that does not have androgenic activity—like drospirenone or norgestimate. By suppressing ovulation and raising sex hormone-binding globulin (SHBG), these pills trap free testosterone in the blood, making it less available to hair follicles. Like spironolactone, the pill needs about six months to show cosmetic results. Many endocrinologists prescribe the two together because they work through different pathways. The pill also regulates your cycle and protects the uterine lining, which matters because PCOS raises your risk of endometrial hyperplasia. But it is not for everyone: if you have a history of blood clots, migraine with aura, or liver disease, you and your doctor need to weigh the risks.
3. Use prescription-strength topical eflornithine cream
While medications like spironolactone and the pill work systemically, eflornithine cream (brand name Vaniqa) is a topical treatment that directly slows hair growth at the follicle. It works by inhibiting an enzyme (ornithine decarboxylase) that the follicle needs to produce hair. You apply it twice a day to the specific area you want to treat—usually the upper lip, chin, or sideburns. Results take four to eight weeks, and once you stop, the hair returns to its previous state within about two months. Eflornithine is often used alongside laser hair removal: it can reduce the number of active follicles that the laser needs to target. The main downsides are cost (it is not always covered by insurance) and mild skin irritation for some users. You can get it by prescription only, so talk to your endocrinologist or dermatologist.
4. Pair medical treatments with in-office laser or electrolysis
Medication can slow regrowth, but it rarely removes hair that is already thick and dark. That is where professional cosmetic procedures come in. Laser hair removal works best on high-contrast hair—light skin and dark hair—because the laser targets melanin in the hair shaft. Multiple sessions (usually 6 to 10) are needed, and maintenance treatments once or twice a year help keep follicles dormant. Electrolysis, which uses a tiny electrical probe to destroy each follicle individually, works on all hair colors and skin types but is more time-consuming and expensive. Neither method is permanent: PCOS-related hormonal stimulation can reactivate vellus hair to become terminal again over time. That is why endocrinologists stress that laser is a management tool, not a cure. For the best outcome, get your hormone levels optimized with medication first, then start laser treatments.
5. Consider lifestyle shifts that lower circulating androgens
While medications do the heavy lifting, lifestyle changes can indirectly help by reducing insulin levels—and in PCOS, high insulin drives more androgen production. Many endocrinologists recommend a diet that is lower in refined carbohydrates and added sugars, because a high glycemic load spikes insulin. Studies show that a 5% to 10% reduction in body weight can improve insulin sensitivity and lower free testosterone enough to slow hair growth in some women. Regular exercise—especially resistance training and moderate cardio—also helps cells use insulin more efficiently. There is no special “PCOS diet” that works for everyone, but everyone agrees that consistent blood-sugar control matters. One practical tip from an endocrinologist I interviewed: try eating protein and vegetables before the starchy part of a meal, which blunts the glucose spike. It is not a miracle, but over months it adds up.
Excess hair growth in PCOS is stubborn, and no single treatment will erase it overnight. The most effective plan combines multiple strategies—systemic medications, topical therapy, professional hair removal, and supportive lifestyle habits—all tailored to your individual health profile. If you have not already, find an endocrinologist who understands PCOS and is willing to work through these options with you step by step.
