- Reaction score
- 594
It reduces type 2 5 alpha reductase by somewhere in the region of 60% 5 alpha redictase is primarily responsible for development of secondary sex characteristsics. For most adult males, the only thing finasteride does is prevent hairloss and restore thinning hair to varying degrees. Side effects exist but are by no means guaranteed, or even likely. Most people don't get side effects.