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About Hair Growth
There are many factors that affect individual hair growth.
These growth tables should only be used as a generalized guide.
|
Body Area |
Resting (%) |
Growing (%) |
Duration of Rest |
Duration of Activity |
Follicles /sq. cm |
Daily Growth |
Max. Depth |
|
Scalp |
13 |
85 |
3 - 4 months |
2 - 6 years |
350 |
0.35 mm |
3 - 5 mm |
|
Eye Brows |
90 |
10 |
12 weeks |
4 - 8 weeks |
|
0.16 mm |
2 - 2.5 mm |
|
Cheeks |
40 - 50 |
50 - 60 |
|
|
880 |
0.32 mm |
2 - 4 mm |
|
Beard (Chin) |
40 |
60 |
10 weeks |
1 year |
500 |
0.38 mm |
2 - 4 mm |
|
Moustache |
45 |
55 |
6 weeks |
16 weeks |
500 |
|
1 - 2.5 mm |
|
Arm Pit |
70 |
30 |
12 weeks |
16 weeks |
65 |
0.3 mm |
3.5 - 4.5 mm |
|
Pubic Area |
70 |
30 |
weeks |
months |
70 |
|
2 - 4.5 mm |
|
Arms |
80 |
20 |
18 weeks |
13 weeks |
80 |
0.3 mm |
|
|
Legs & Thighs |
80 |
20 |
24 weeks |
16 weeks |
60 |
0.21 mm |
2.5 - 4 mm |
Definitions: TERMINAL Hair: is a coarse, dark hair such as a beard hair, armpit or
pubic hair.
VELLUS Hair: is the short, downy soft hair that everyone has all over
their bodies. They are very small, but are sometimes noticeable on women's
arms, and their faces.
ACCELERATED VELLUS Hair: is a fine, blond hair that becomes coarser
and longer. These hairs eventually become TERMINAL. No, they won't
kill you, but some people feel like it will. Accelerated vellus
hairs can be seen on women's faces when hormonal changes occur, and
another common site to see these is on the ears of men as they near middle-age.
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