Minoxidil

Evidence: ★★★★★ · Status: FDA Approved

💡 Did you know? Minoxidil for hair growth was discovered by accident — it was a blood-pressure pill, and patients kept growing hair as a side effect.

In plain English

Widens blood flow to follicles and keeps hairs in their growth phase longer. Paired with finasteride, it's the core of proven hair-loss treatment.

How it works

Opens ATP-sensitive potassium channels (KCNJ) → follicular vasodilation and prolonged anagen (growth) phase; also a sulfotransferase-dependent prodrug.

Molecular target & official sources

KCNJ11 potassium channel (NCBI Gene) · Minoxidil (PubChem CID 4201)

Bottom line

Half of the evidence-based hair-loss protocol (with finasteride).

Helps with: Skin & Hair

Stacks with

Shares a pathway — often paired with: Caffeine, PDE-5 Inhibitors (Sildenafil / Tadalafil), L-Citrulline / Citrulline Malate, Caffeine (thermogenic).

Availability & where to buy

Available over the counter. Widely available OTC — e.g. iHerb (ships worldwide); in Singapore also Guardian, Watsons, GNC, Shopee / Lazada. Look for a third-party-tested / GMP mark and check the dose per serving.

How it works: the Nitric oxide / cGMP pathway →

Used in these protocols

Hair Loss / Thinning

Compare Minoxidil

Common questions

Does Minoxidil actually work?

Human-evidence rating: 5 of 5. Half of the evidence-based hair-loss protocol (with finasteride).

Is Minoxidil legal or approved?

Regulatory status: FDA Approved.