Figure 2From: The effects of chemical and physical penetration enhancers on the percutaneous permeation of lidocaine through equine skin Lidocaine permeation of equine skin samples after application of 2 mg/ml lidocaine in PBS (mean + SEM) on microneedle pretreated skin samples; the microneedles were used with a needle length of 200 μm and 300 μm; * = p < 0.05; n = 6. Back to article page