Design, Development, and Optimization of Dexibuprofen Microemulsion Based Transdermal Reservoir Patches for Controlled Drug Delivery

Figure 1

Pseudoternary phase diagram of oil (ethyl oleate), surfactant mixture (Tween 80: PG), and water at 25°C in weight ratio of 1 : 1, 2 : 1, and 3 : 1.