
Targets DHT directly
Finasteride blocks type II 5-alpha-reductase, the enzyme that turns testosterone into DHT, the hormone that shrinks hair follicles in male pattern hair loss.









Illustrative photography with models, not patients.
RxHair
Your once-daily defense against DHT.
40,000+ products sold · LegitScript certified
The only oral medication FDA-approved for male pattern hair loss, taken once a day. A board-certified physician reviews your file and confirms it's clinically appropriate for you.
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Your provider confirms the strength and dose after intake. Payment does not guarantee a prescription.
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Common questions

Morning routine
Illustrative photography with models, not patients.

Finasteride blocks type II 5-alpha-reductase, the enzyme that turns testosterone into DHT, the hormone that shrinks hair follicles in male pattern hair loss.

No foams, no scalp routine. A single oral tablet taken once daily, the same way it was studied.

Finasteride 1 mg is the only oral medication FDA-approved to treat male pattern hair loss, dispensed by a US-licensed pharmacy.

A US-licensed provider confirms finasteride is appropriate for you before it ships. Real pricing, shown up front.
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Understand your treatment
Finasteride inhibits the enzyme that converts testosterone to dihydrotestosterone, or DHT. DHT is involved in the follicle miniaturization seen in androgenetic hair loss. This explains why finasteride and minoxidil are often discussed together: they address different aspects of hair-loss care. Finasteride focuses on the DHT pathway; minoxidil is associated with the hair-growth cycle. A single-ingredient tablet keeps that distinction easy to understand.
A closer look
Address the hormone signal behind pattern hair loss.
Make a more informed choice
These are different ingredient classes. The HealthRX.com catalog also includes combination formulas, so compare a focused finasteride tablet with a blend rather than assuming every hair product has the same actives.
HealthRX.com verified facts
Finasteride 1mg starts at $18 per month on 12-month plan; the lowest checkout charge is $67 (billed every 3 months). A prescription is never guaranteed. A licensed provider reviews each request before a pharmacy can dispense treatment.
Catalog verified August 26, 2026. Source: HealthRX.com checkout catalog and refund policy. Monthly equivalent divides the discounted plan charge by the number of months; checkout may collect a multi-month total.

Choose your treatment options and complete secure checkout. Then complete the online health intake.
A licensed physician (MD) reviews your completed intake and prescribes finasteride if it is appropriate for you.
A US-licensed pharmacy fills your prescription and ships it free in discreet packaging.
Message your care team anytime, and your provider adjusts your plan as your results build.
Finasteride blocks type II 5-alpha-reductase, the enzyme that converts testosterone into DHT, the hormone most responsible for shrinking hair follicles in male pattern hair loss. At 1mg daily, it lowers serum DHT by roughly 70 percent and scalp DHT by around 90 percent, which is what slows or reverses the follicle miniaturization behind thinning hair. It's a systemic effect, working through your bloodstream rather than on the scalp surface alone.
Finasteride blocks 5-alpha-reductase
It inhibits the type II enzyme that converts testosterone into DHT.
Scalp DHT falls
With less DHT reaching the follicle, the shrinking signal is reduced.
Follicles hold their ground
Follicles stay in their active growth phase longer instead of miniaturizing.
Less DHT at the follicle means hair loss slows and growth can rebuild.
Finasteride 1 mg has been studied in large randomized, placebo-controlled trials in men with male pattern hair loss. Here is what that research found.
1,553 men
Two 1-year randomized trials, with 1,215 men continuing into a second blinded year, tested finasteride 1 mg daily against placebo.
Kaufman et al., J Am Acad Dermatol 1998
+138 hairs
Finasteride added 107 and 138 more hairs than placebo in a 5.1 cm2 area of the scalp at years one and two, improving hair by every measure used.
Kaufman et al., J Am Acad Dermatol 1998
1x / day
A single oral tablet taken once daily. No foams, no injections, no in-office visits required.
Once-daily oral dosing
Two first-line approaches
| Finasteride 1 mg | Topical minoxidil | |
|---|---|---|
| Addresses the hormonal cause | Yes, lowers DHT | No |
| Routine | One tablet daily | Twice-daily scalp application |
| Evidence in men | Large 2-year randomized trials | Randomized trials, topical |
| Hormonal side effects | Possible, about 1 to 2 percent | None, acts locally |
| Works with the other | Often combined with minoxidil | Often combined with finasteride |
| Best for | Targeting DHT at the root of loss | Adding scalp-level regrowth |
Finasteride works gradually. Most people need three to six months before they notice a change, with results continuing to build toward a peak around nine to twelve months. Some people experience temporary shedding between weeks two and twelve, which is a normal part of the hair cycle resetting and not a sign the medication has failed. In the pivotal one-year trial, 86 percent of men maintained or gained hair, compared with 58 percent on placebo, with gains continuing for some out to five years of continuous use. Stopping finasteride reverses its effects within three to six months.
Weeks 1 to 4
Begin your once-daily dose after your provider confirms your prescription. Some men notice increased shedding early, which is normal as follicles cycle.
Months 3 to 4
This is typically when men first notice less shedding. Keep taking it daily and message your care team with questions.
Months 6 to 9
Visible change tends to appear in this window as follicles that were held in place fill back in.
Months 9 to 12
Results generally reach their peak around a year, then are maintained with continued daily use.
Finasteride is absolutely contraindicated during pregnancy; it's teratogenic, meaning it can cause serious harm to a developing male fetus, so it should never be handled by anyone who is or may become pregnant. Reported side effects include decreased libido or erectile difficulty in roughly 1 to 2 percent of men, along with decreased ejaculate volume and, rarely, breast tissue changes. Your provider will also ask about a history of prostate cancer, since finasteride lowers PSA levels and can affect how that marker is interpreted going forward. Finasteride does not guarantee regrowth for everyone: roughly 30 to 50 percent of men see meaningful new growth, with most others seeing their existing hair maintained rather than lost.
This is not a complete list of side effects. Finasteride is not for use by women and is dangerous in pregnancy, where it can harm a developing male fetus, so it must not be handled by anyone who is or may become pregnant. Sexual side effects occur in roughly 1 to 2 percent of men and usually resolve after stopping. Tell your provider about every medication you take and any history of depression or prostate conditions before starting.
No prescription needed. Dietary supplements to keep alongside your hair care routine, sold separately from prescription treatment. Ask your provider before adding one to your routine.
Dietary supplements, not medications. These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.

An independent US-licensed clinician reviews every request. If they decide the treatment is not right for you, you get a full refund for the medication.
Prescriptions are filled by a US-licensed pharmacy and shipped free, in discreet packaging, on every plan.
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Compounded medications are prepared by a US-licensed pharmacy and are not reviewed by the FDA for safety or effectiveness. Products are dispensed only after a licensed provider determines they are appropriate. Information here is educational and is not a substitute for medical advice.