Juvenile vs Mature Hairline
https://healthell.blogspot.com/2021/08/juvenile-vs-mature-hairline.html
I drew in the juvenile hairline that would have been his hairline when he was 5 years old. Note that the hairline moves upward as maturing occur. This man has a widow’s peak which shows the lowest position of the juvenile hairline. Young children of both sexes have a concave hairline and as they get older, most men lose it while some women keep it. Read this for more details: https://newhair.com/
from BaldingBlog - Hair Loss Info https://ift.tt/3CojG8j