Fig. 6

(A) L*, (B) ITA° and (C) melanin content percentage variation after treatment with AAO or placebo, respectively, at each follow-up session (D14 and D28). The baseline data served as the reference value for each analysis. Data were shown as mean ± SEM (n = 20). (** p < 0.01, and *** p < 0.001 vs. D0, $$$ p < 0.001 vs. placebo).