Table 2 Calculated permeation parameters of ETD suspension, ETD Phosalosomes (ETD-PHs) and ETD phosalosomes- HA (ETD-PHs-HA) gel.
Sample | Flux (µg/cm2.h) | Lag time (h) | Skin surface concentration (C0, µg/cm3) | Diffusion coefficient (D, cm2/s) |
|---|---|---|---|---|
ETD suspension | 0.868 | 1.014 | 5.284*103 | 4.564*10–11 |
ETD-PHs | 1.111 | 0.333 | 5.221*103 | 6.389*10–11 |
ETD-PHs-HA gel | 1.374 | 0.639 | 5.274*103 | 7.237*10–11 |