Ethosomes of Phenylethyl Resorcinol as Vesicular Delivery System for Skin Lightening Applications

Figure 3

In vitro accumulation of PR in full-thickness newborn pig skin and receptor compartment after testing ethosome, liposome, 20% PG solution, and 30% hydroethanolic formulations for 24 h. Each bar represents the mean ± SEM (). : means in the same color bar with different asterisk differ significantly ().