Compound library / Hair Loss

Finasteride (Propecia)

Oral 5-alpha-reductase type II inhibitor that lowers DHT, FDA-approved for male pattern hair loss.

CategoryHair Loss
Typical routeOral
Half-life~5-6 hours
Common dose range1 mg/day (hair loss dose; 5 mg/day is the BPH dose)
Typical cycle lengthOngoing — benefits reverse within months of stopping

BioHack Track models Finasteride (Propecia) at a half-life of 5.5 hours, so every dose you log is decayed against that curve and the app shows what is still circulating — not just what you typed.

Reconstitution

Oral tablet; no reconstitution needed. Topical/oral compounded versions also exist.

Storage

Store at room temperature.

Cautions

Prescription medication. Small risk of sexual side effects (some persisting after discontinuation in rare reports — "post-finasteride syndrome" is debated); not for use by women who are or may become pregnant.

Track Finasteride (Propecia) in BioHack Track. Half-life, dose range and route come pre-filled from this library — log a dose and the app counts your vial down, models what is in your system, and puts it on the same chart as your labs and body composition.

Others in Hair Loss

Look up the research

These open a search of each database for Finasteride (Propecia) — they are not citations, and nothing here is evidence for any particular dose. The same links are in the app.

Work it out