Fleischli, Franziska D., et al. “Skin Concentrations of Topically Applied Substances in Reconstructed Human Epidermis (RHE) Compared With Human Skin Using in Vivo Confocal Raman Microscopy: FH - HES”. CHIMIA, vol. 69, no. 3, Mar. 2015, p. 147, https://doi.org/10.2533/chimia.2015.147.