Can fin prevent a mature hairline?
https://healthell.blogspot.com/2021/12/can-fin-prevent-mature-hairline.html
Finasteride doesn’t impact the change from a juvenile to a mature hairline because those hairs in the juvenile hairline have a limited number of cycles and are destined to die off (apoptosis). The only way to get your juvenile hairline back is to get a hair transplant to put it back.
from BaldingBlog - Hair Loss Info https://ift.tt/3eCXxIv