Figure 4. VB-1 promotes the elongation of hair shafts in cultured hair follicles.

Isolated human scalp hair follicles were cultured for 14 days in the presence of different doses of VB-1. (A) Typical pictures of the hairs at day 0, 2, 4, 6, 8, 10, 12, 14. (B) Data are presented as the elongated length of the hair follicles treated with VB-1. Data are reported as mean +SEM. Student’s t-test was used to compare data. *P < 0.05, **P < 0.01.