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(A) In vitro skin permeation of Nile red (NR) through human cadaver skin at several time points over 24 h, with CNS3Ks and CNS10Ks (at ratios of 5:5, 8:2, and 10:0). (B) Fluorescence images showing the permeation and distribution of NR in skin samples using CNS at an 8:2 ratio after a 24 h in vitro skin permeation test. The scale bar indicates 100 µm. (SC: stratum corneum and D: dermis).
