How do you know it is a mature hairline?
https://healthell.blogspot.com/2021/10/how-do-you-know-it-is-mature-hairline.html
I always look to the highest crease of the furrowed brow. The mature hairline is a gentle V-shaped hairline where the middle is usually about 1/2 inch above the highest crease unless there is a persistent forelock...
from BaldingBlog - Hair Loss Info https://ift.tt/2ZjzL0o
