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. 2018 Nov 21;25(1):1943–1949. doi: 10.1080/10717544.2018.1523256

Figure 1.

Figure 1.

(a) Effect of different penetration enhancers in propylene glycol vehicle on the permeation of thymoquinone (µg/cm2) against time (h) through human cadaver skin, (b) Effect of different penetration enhancers in ethanol vehicle on the permeation of thymoquinone (µg/cm2) against time (h) through human cadaver skin, (c) Effect of different penetration enhancers in ethanol vehicle and ethanol: PBS (pH 7.4) receptor on the permeation of Thymoquinone (µg/cm2) against time (h) through human cadaver skin. Time points were measured at 3, 4, 6, 8, 10, 12, and 24 h. Each point represents the mean ± S.D. of five replicates.