Some previous works1,2 have reported that regenerated
hair shafts were finer in caliber than the original
donor hairs. We found that the caliber of hairs regenerated
from entire follicles was 96.17 +-0.2% with
respect to original donor hairs (100%). The new
hairs obtained from bisected follicles were slightly
finer than the donor hairs, although we found no
difference in caliber between regenerated hairs derived
from the upper (75.378.2%) or lower portion
(74.474.1%)
TABLE 2. Caliber of Hairs Regenerated After
Duplicative Surgery
Donor Hair Caliber, Mean
Percentage7Standard Deviation
Entire follicle 96.17 +-0.2
Upper portion 75.37 +-8.2
Lower portion 74.47 +-4.1
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