Finasteride is an FDA-approved oral medication that treats hair loss by inhibiting the production of DHT, a hormone linked to follicle shrinkage, helping to maintain and promote hair growth.
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Finasteride is a highly effective oral medication designed to treat hair loss, particularly in men with androgenetic alopecia (male pattern baldness). As a DHT blocker, Finasteride works by preventing the conversion of testosterone into dihydrotestosterone (DHT), a hormone that contributes to hair follicle shrinkage, ultimately leading to hair loss.
By reducing DHT levels in the scalp, Finasteride helps preserve hair and promotes regrowth, making it 1 of the most widely used medical therapies for hair restoration. Finasteride’s mechanism of action centers around its ability to inhibit the enzyme 5-alpha-reductase, which is responsible for converting testosterone into DHT. By blocking this enzyme, Finasteride significantly lowers the levels of DHT in the body, helping to:
- Prevent further hair loss: Finasteride slows down hair thinning, particularly at the crown and the mid-scalp.
- Stimulate hair regrowth: For many patients, Finasteride not only halts the progression of hair loss but also encourages the growth of new hair in affected areas.
- Improve hair density: Over time, many patients experience thicker, healthier hair due to the reduced impact of DHT on hair follicles.