3.2. Effect of Polygonum multiflorum extract on hair follicle
number and hair shaft elongation
Increase in the number and the size of hair follicles was observed
during anagen phase induction (Ogawa and Hattori, 1983). The anagen
phase is associated with increase in the size and the number
of hair follicles that lie in deep subcutis compared to that of telogen
phase where hair follicles lie in dermis only (Datta et al.,
Fig. 4.