Fig. 6. Effect of HTPI on hair growth in human hair follicle organ culture. In order to evaluate the effect of HTPI, the anagen human hair follicle were prepared and cultured for 8 days. HTPI was treated at concentrations of 1 and 2 µM. (A) At day 4, 6 and 8, the cultured hair follicles were photo-documented. (B) The hair shaft growth was analyzed. Minoxidil was used as a positive control. The data represent the mean±SD of eighteen follicles. p-values were obtained by Mann-Whitney U test. Significantly different compared with control. *p<0.05; **p<0.01 vs. control.
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