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Finasteride not only inactivates the 5a reductase enzyme but also affects the 5b reductase enzyme in a dose-dependent manner, which can impact sexual behavior and brain activity. The user experienced significant hair regrowth and side effects on 1mg of finasteride, which diminished after reducing the dose to 0.5mg, leading to no side effects and further hair improvement.
The release of a study on 5a-reductase inhibitors (finasteride and dutasteride) which showed an increased risk of depression, dementia, decreased libido, and reduced semen load as potential side effects; discussion around other forms of hair loss treatments such as topical minoxidil, RU58841, or opting to accept baldness; and advice to consider professional help for deeper issues related to hair loss.
Dutasteride doses matter for hair loss treatment and are more effective than finasteride. RU58841 is suggested for better gains, but side effect profiles should be considered.
Dutasteride and finasteride have similar risk profiles despite Dutasteride blocking more types of 5AR in the brain. Some users report no mood issues with either drug, and it is suggested that Dutasteride's larger molecular size may limit its ability to cross the blood-brain barrier.
Topical finasteride as a potential alternative to oral finasteride for reducing DHT levels on the scalp with fewer side effects, and other hair loss treatments such as minoxidil.
Trans women discuss using finasteride and dutasteride for hair loss and whether to continue after testosterone suppression. One user reduced dutasteride dosage after achieving undetectable testosterone levels.