Development of Lecithin Nanoemulsion Based Organogels for Permeation Enhancement of Metoprolol through Rat Skin

Figure 3

The effect of drug content in aqueous solution on the transparent region of w/o metoprolol nanoemulsion containing IPM/lecithin 170/isopropyl alcohol/and aqueous solution of different drug contents (LEC : ALC represents the mixture of lecithin and alcohol used as the surfactant and cosurfactant).