Transdermal
delivery
EminTech
| Transdermal delivery of a drug avoids gastric environ- ment and the first passage effect (metabolism in liver). |
| Transdermal delivery is excellent for local delivery. |
| Many substances require penetration enhancers to penetrate Stratum Corneum in significant amounts. |
Red dye diffusion through epidermidis.
Three types of penetration enhancers were used.
No significant difference between enhancers was observed.