1. Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Cairo, Egypt;
2. Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Modern University for Technology & Information (MTI), Cairo, Egypt;
3. Department of Pharmaceutics, National Organization of Drug Control and Research (NODCAR), Giza, Egypt;
4. Department of Dermatology, Venereology and Andrology, Faculty of Medicine, Ain Shamas University, Cairo, Egypt