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FB-eNV treatment promoted hair shaft elongation. (A,C,E) Representative images of human hair follicles after FB-eNV treatment (0, 0.1, and 0.5 µg/mL) at day 6. (B,D,F) Quantified data of hair shaft elongation on day 3 and day 6 (n = 6–7). The values are mean ± sd of a minimum of three replicates of an experiment. Student’s t-test was used. * p < 0.05; ** p < 0.01; and *** p < 0.001. ns: not significant.
