The skin-depigmenting potential of Paeonia lactiflora root extract and paeoniflorin: in vitro evaluation using reconstructed pigmented human epidermis - Qiu, J; Chen, M; Liu, J; Huang, X; Chen, J; Zhou, L; Ma, J; Sextius, P; Pena, A M; Cai, Z; Jeulin, S (Int J Cosmet Sci, 2016)