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http://www.authorstream.com/Presentation/lukarb-3582344-transdermal-permeation-enhancer/ SEMINAR ON TRANSDERMAL PERMEATION ENHANCER: SEMINAR ON TRANSDERMAL PERMEATION ENHANCER Presented by : Pathan Lukmankhan S M.Pharm Semester I Pharmaceutics 1 Slide2: OBJECTIVE ABSORPTION THROUGH SKIN BARRIERS FACTORS PERMEATION ENHANCEMENT REFERENCES Content CONCLUSION INTRODUCTION 2 Slide3: Objectives 3 Slide4: TDDS DEFINITION : Transdermal delivery system is capable of transporting the drug through skin into the blood circulation at fixed rate. Transdermal route gives an alternative to oral and i.v. delivery. ADVANTAGES : Transdermal delivery avoids the stomach environment where the drug can be degraded. Avoids the first pass effect . Improves bioavailability . Introduction 4 Absorption through skin : Absorption through skin 5 Drug delivery routes across human skin : Drug delivery routes across human skin Moeity passes through both keratinocytes and lipids.(