Dutasteride and Finasteride Capsules are 5-alpha reductase inhibitors used to reduce levels of dihydrotestosterone (DHT), the hormone most responsible for hair loss in men. By decreasing DHT production, these medications help prevent hair follicle miniaturization and promote long-term hair retention.
The information provided on this page is for general informational purposes only and is not a substitute for professional medical advice. Always follow your RegenMD provider’s precise prescription and consult them directly with any questions or concerns. Not all patients qualify for every treatment—book a consultation to determine the best option for you.
Dutasteride and Finasteride Capsules are prescription 5-alpha reductase inhibitors that reduce dihydrotestosterone (DHT); the androgen responsible for progressive hair follicle miniaturization in androgenetic alopecia. By lowering DHT levels, the medications support follicle preservation and slow the miniaturization process at its hormonal source.
Dutasteride blocks both type I and type II 5-alpha reductase for broader DHT reduction.
Finasteride primarily blocks type II 5-alpha reductase, targeting scalp-specific DHT production.
Dutasteride and Finasteride interrupt the enzymatic conversion of testosterone to DHT in androgen-sensitive follicles. DHT shortens the hair growth cycle and progressively reduces follicle size over time; shifting the ratio between the active growth phase and the resting phase until follicles become too miniaturized to produce visible hair. By maintaining lower circulating DHT, both compounds preserve follicles in a functional state.
RegenMD prescribes both compounds in compounded 90-count capsule formulations with dosing established during your provider evaluation.
Dutasteride and Finasteride Capsules are prescription 5-alpha reductase inhibitors that reduce dihydrotestosterone (DHT); the androgen primarily responsible for hair follicle miniaturization in androgenetic alopecia. By blocking the enzymatic conversion of testosterone to DHT, these medications support hair follicle integrity and healthy hair retention. RegenMD prescribes both compounds as compounded capsules with dosing calibrated to your individual hormonal profile. Available in 90-count formulations.
Both compounds inhibit 5-alpha reductase but target different enzyme isoforms. Finasteride primarily inhibits the type II isoform; predominant in scalp hair follicles and the prostate. Dutasteride inhibits both type I and type II isoforms; producing broader and more complete DHT suppression throughout the body, reducing circulating DHT by approximately 90-95% compared to Finasteride's approximately 70%. The choice between them depends on your individual hormonal profile and your provider's assessment of the appropriate level of DHT suppression for your situation.
DHT-blocking therapy works by preserving existing follicles and slowing the miniaturization process rather than immediately generating visible new growth. Most patients notice a stabilization of shedding within the first three to six months; meaningful improvements in hair thickness and coverage, where they occur, generally become apparent between six and twelve months of consistent treatment. Hair follicle cycles are long; the full benefit of sustained DHT reduction accumulates over time and requires adherence to the prescribed protocol throughout.
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