Figure 1: Permeation Profile of the Cumulative Amount of HA4 Each point represents mean ± S.D. of 3 to 4 determinations.
Symbols: passive (full-thickness skin) (0), passive (stripped skin) (.), cathodal IP (current density: 0.05 mA/cm²) (☐) and cathodal IP (current density: 0.1 mA/cm²) (■).