Dr. Barkat Ali Khan is currently working as lecturer in the pharmacy department of Gomal University, D. I. Khan, Pakistan. He has completed his Ph.D. in pharmaceutics from Islamia University Bahawalpur, Pakistan. He is Editor-In-Chief of the Journal of Pharmaceutical and Cosmetic Sciences. He is a gold medalist in the M.Phil session. His area of research interest focuses on the pharmacokinetics of ingredients responsible for skin rejuvenation, the formulation development of polyphenolic emulsions, permeability studies, and polyelectrolytes/polyplex based nanoparticles in drug delivery technology. He is also serving as reviewer for many journals. He has contributed as author/co-author to 99 articles in published journals.