Finasteride and dutasteride can show initial hair count increases within 12 weeks, but visible improvements often take longer, with many users reporting noticeable changes after a year or more. While early results may be seen under a microscope, significant cosmetic improvements typically require more time for hair to thicken and become visibly denser.
Ultrasound imaging can predict hair shedding and assess hair growth stages by analyzing hair follicle characteristics. The conversation also discusses using ultrasound for personal hair analysis and mentions the potential use of infrared emission for hair treatment.
Finasteride is prescribed at 1mg because it is FDA-approved and proven effective, despite evidence that 0.2mg may similarly reduce DHT. The 1mg dose is more effective for hair growth, and lower doses are less available.
Peppermint oil may accelerate hair growth, but its effectiveness for regrowing hair or restoring a receding hairline lacks evidence from human studies or personal experiments. Some online examples exist, but they may be biased by product sales.
Finasteride can regrow hair but may cause depression and suicidal thoughts in some users. The connection between finasteride and mental health issues is debated, with some attributing it to pre-existing conditions or stress.