Propecia is a once-a-day pill treatment for male-pattern hair loss, or androgenetic alopecia. Male-pattern hair loss is about the hairline recedes and hair thins at the temples and crown. Usually half of aged 50 years old or older male will appear that situation.
PROPECIA tablets contain finasteride as the active ingredient. Finasteride, a synthetic 4-azasteroid compound, is a specific inhibitor of steroid Type II 5α-reductase, an intracellular enzyme that converts the androgen testosterone into 5α-dihydrotestosterone (DHT).The chemical name of finasteride is N-tert-Butyl-3-oxo-4-aza-5α-androst-1-ene-17β-carboxamide. The empirical formula of finasteride is C23H36N2O2 and its molecular weight is 372.55. Its structural formula is:
Finasteride is a white crystalline powder with a melting point near 250°C. Which is freely soluble in chloroform and in lower alcohol solvents but is practically insoluble in water.
PROPECIA tablets are film-coated tablets for oral administration. Each tablet contains 1 mg of finasteride and the following inactive ingredients: lactose monohydrate, microcrystalline cellulose, pregelatinized starch, sodium starch glycolate, hydroxypropyl methylcellulose, hydroxypropyl cellulose, titanium dioxide, magnesium stearate, talc, docusate sodium, yellow ferric oxide, and red ferric oxide.