What Is the Difference Between a Mature Hairline and Mpb?
https://healthell.blogspot.com/2020/05/what-is-difference-between-mature.html
A mature hairline is located 1 finger breadth above the highest crease of the furrowed brow in the mid-line and a gentle V-Shape to the hairline. IF the V-[shape is too sharp, the corner recession could be present, the beginning of a Class 3 pattern of balding.
from BaldingBlog - Hair Loss Info https://ift.tt/3cILZku