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Products in this catalog are supplied as research materials only. They are not drugs, foods, cosmetics, supplements, or medical devices and are not intended to diagnose, treat, cure, or prevent disease.
Product specifications, research context, and handling information.
Finasteride is a synthetic 4-azasteroid supplied here as a liquid research solution in an ethanol and USP propylene glycol vehicle.
Finasteride inhibits type 2 5-alpha-reductase, the enzyme that converts testosterone to DHT. Its mechanism acts at the level of DHT synthesis. Finasteride pharmacology reference
Format: Liquid solution, 60 mL bottle
Compound: Finasteride
Compound class: Synthetic 4-azasteroid, type 2 5-alpha-reductase inhibitor
Finasteride: 1 mg/mL (60 mg per bottle)
Finasteride: 3 mg/mL (180 mg per bottle)
Ethanol: 40 mL (66.67% v/v)
USP propylene glycol: 20 mL (33.33% v/v)
Target final volume: 60 mL
Piraccini et al. evaluated a specific 0.25% w/w finasteride spray in a 24-week randomized Phase III trial in men with androgenetic alopecia. The trial measured target-area hair count and systemic exposure. Phase III trial
Caserini et al. evaluated changes in scalp and serum DHT at different applied amounts of a 0.25% topical solution. Scalp and serum DHT study
Both studies used specific formulations and delivery conditions. Their results do not establish safety, efficacy, or absorption for the 0.1% or 0.3% w/v ethanol and propylene glycol solutions listed here.
For laboratory research only. Not for human consumption, medical, diagnostic, or therapeutic use.
