Permanent loss of hair in men
The different types of baldness that touch men are classified according to the importance of the bald spots. Scientists refer to Hamilton's classification. This scale allows to better understand the birth and evolution of baldness.
Hamilton's classification
7 stages of androgenetic alopecia exist, they are classified by ascending order according to the appearance of baldness areas.
Stage I
Appearance of temporal gulfs
Stage II
Decline of temporal gulfs with clearing up and disappearance of the front line
Stage III
Deeper accentuation of temporal and frontal gulfs, clearing up of the hair at the top of the scalp
Stage IV
Important symmetrically accentuation, complete alopecia at the level of the bald patch
Stage V
Confluency of the anterior and posterior zone
Stage VI
Loss of hair extending behind the bald patch
Stage VII
Hippocratic alopecia where remains a low crown of hair on the temples
These are the 7 Stages of Male Pattern Baldness
(video 0:50s) "#hairloss : Stages of male baldness pattern"