Research Article
High-Throughput Screening of Potential Skin Penetration-Enhancers Using Stratum Corneum Lipid Liposomes: Preliminary Evaluation for Different Concentrations of Ethanol
Figure 2
Effect of ethanol concentration on the increase in the skin-penetration-enhancement ratio (ER) of caffeine permeated over 8 h. Each value represents the mean ± SE ( = 3–5).