Over-the-counter medication · Vasodilator (Hair Growth)

minoxidil topical

Also sold as Rogaine. This medicine is used to help regrow hair on the scalp.

Data updated 2026-05-15

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minoxidil topical (Rogaine) is an over-the-counter Vasodilator (Hair Growth). This medicine is used to help regrow hair on the scalp.

Minoxidil topical solution (Rogaine) is a medicine that helps regrow hair on your scalp. It belongs to a class of drugs called vasodilators.

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What it does

This medicine is used to help regrow hair on the scalp.

Common side effects

No common side effects listed.

Key warnings

The provided text does not contain any boxed warnings or critical safety information.

The sections below are summarized in plain English from minoxidil topical's FDA-approved prescribing information. They describe what the official label says, and are not personal medical advice.

How It Works

Minoxidil is a vasodilator, but how it regrows hair is not fully known. It may work by widening blood vessels in the scalp. This could improve blood flow to the hair follicles, stimulating hair growth.

Serious Warnings

The provided text does not contain any boxed warnings or critical safety information.

Common Questions

How much solution should I use?
Apply 1 mL of the solution to your scalp.
How often should I use this medicine?
Use it two times a day.
Will using more solution make it work faster?
No, using more or using it more often will not improve results.
What happens if I stop using it?
Your hair loss will begin again if you stop using it.
Where should I apply the solution?
Apply it directly onto the scalp in the hair loss area.
How should I store this medicine?
Store at room temperature between 68º to 77ºF (20º to 25ºC).
Is this medicine only for women?
The clinical studies in the provided text were mostly in white women aged 18 to 45 years, but it can be used by men as well.
How long does it take to see results?
In studies, some women saw moderate hair regrowth after 8 months of use.
What should I do before using this medicine?
Read all the information on the carton and enclosed leaflet.
What if I don't see any hair regrowth?
Some people may experience minimal or no hair regrowth. Talk to your doctor if you have concerns.
What drug class is minoxidil topical?
minoxidil topical belongs to the Vasodilator (Hair Growth) drug class. It is available over the counter (OTC). This medicine is used to help regrow hair on the scalp.
What pregnancy or breastfeeding source fields are listed for minoxidil topical?
The FDA label for minoxidil topical contains product-specific pregnancy or breastfeeding language. PlainMeds does not apply that source text to an individual.

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Medication Guides

What the FDA Data Shows for minoxidil topical

The FDA label for minoxidil topical (sold under brand names such as Rogaine) classifies it as an over-the-counter product in the Vasodilator (Hair Growth) class. This medicine is used to help regrow hair on the scalp. Labeling covers dosing, contraindications, and monitoring requirements derived from clinical trials.

Post-market surveillance from the FDA Adverse Event Reporting System (FAERS) captures real-world experience. Voluntary reports accumulate over the lifetime of a drug and reflect wide-ranging clinical use. Interaction data is drawn directly from FDA-approved prescribing information. Acquisition-cost data is surveyed weekly by CMS and updated as manufacturers report changes.

Report counts do not establish causation, a FAERS entry documents a temporal association, not proof that the drug produced the outcome. Widely prescribed medications naturally accumulate more reports than niche therapies, so raw totals must be interpreted alongside total exposure. Shortage status, recall history, and patent information are separate source-record fields. This page is a public FDA/CMS registry and does not provide medical, treatment, substitution, or medication-change directions.

Data Sources

Drug labeling: FDA Drug Labels (SPL/DailyMed). Adverse events: FDA Adverse Event Reporting System (FAERS).

FAERS reports are voluntary and do not establish causation. Drug interactions are derived from FDA labeling and clinical references. This registry does not provide medication decisions.

Last updated: December 4, 2025

PlainMeds is rendered directly from FDA openFDA/FAERS extracts, DailyMed labels, and CMS drug-pricing files, no number is typed in by an editor. FAERS counts, recalls, shortages, and price figures on this page are queried live from those federal extracts. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-05-15. Primary sources: openFDA / FAERS, DailyMed and CMS Part B ASP.

Data currency: FDA FAERS adverse-event reports through 2025, CMS NADAC acquisition-cost pricing effective December 2024, compiled from the source snapshot dated . See our methodology for per-source dates and refresh cadence. Spot a figure that looks wrong? Report a data issue.

All federal data sources used on this page