S. Narasimha Murthy is Chief Scientific Officer of Topical Products Testing LLC in Oxford, Massachusetts.

• Chapter 1 Dermal drug delivery formulations and critical quality attributes.- Chapter 2 Evaporative metamorphosis in topical products.- Chapter 3 Classification of Topical Products.- Chapter 4 Sensorial Characterization and their impact on the treatment outcome.- Chapter 5 Lipid based drug delivery systems in topical delivery.- Chapter 6 Approaches to minimize the dermal absorption of drugs intended for locoregional activity.- Chapter 7 Regional molecular targets in the skin for treating cutaneous and neurological disorders.- Chapter 8 Repurposing of systemically administered drugs for topical treatments.- Chapter 9 In vitro permeation testing, an art and science of testing the topical products.- Chapter 10 Regulatory pathway of approval of dermatological products.- Chapter 11 Future technologies for delivery and sampling of drugs form the skin.- Chapter 12 Novel techniques of investigating dermatokinetics of drugs.- Chapter 13 Forced perfusion microdialyais technique.- Chapter 14 Emerging technologies in transdermal drug delivery.

S. Narasimha Murthy is Chief Scientific Officer of Topical Products Testing LLC in Oxford, Massachusetts.

• Chapter 1 Dermal drug delivery formulations and critical quality attributes.- Chapter 2 Evaporative metamorphosis in topical products.- Chapter 3 Classification of Topical Products.- Chapter 4 Sensorial Characterization and their impact on the treatment outcome.- Chapter 5 Lipid based drug delivery systems in topical delivery.- Chapter 6 Approaches to minimize the dermal absorption of drugs intended for locoregional activity.- Chapter 7 Regional molecular targets in the skin for treating cutaneous and neurological disorders.- Chapter 8 Repurposing of systemically administered drugs for topical treatments.- Chapter 9 In vitro permeation testing, an art and science of testing the topical products.- Chapter 10 Regulatory pathway of approval of dermatological products.- Chapter 11 Future technologies for delivery and sampling of drugs form the skin.- Chapter 12 Novel techniques of investigating dermatokinetics of drugs.- Chapter 13 Forced perfusion microdialyais technique.- Chapter 14 Emerging technologies in transdermal drug delivery.

S. Narasimha Murthy is Chief Scientific Officer of Topical Products Testing LLC in Oxford, Massachusetts.

• Chapter 1 Dermal drug delivery formulations and critical quality attributes.- Chapter 2 Evaporative metamorphosis in topical products.- Chapter 3 Classification of Topical Products.- Chapter 4 Sensorial Characterization and their impact on the treatment outcome.- Chapter 5 Lipid based drug delivery systems in topical delivery.- Chapter 6 Approaches to minimize the dermal absorption of drugs intended for locoregional activity.- Chapter 7 Regional molecular targets in the skin for treating cutaneous and neurological disorders.- Chapter 8 Repurposing of systemically administered drugs for topical treatments.- Chapter 9 In vitro permeation testing, an art and science of testing the topical products.- Chapter 10 Regulatory pathway of approval of dermatological products.- Chapter 11 Future technologies for delivery and sampling of drugs form the skin.- Chapter 12 Novel techniques of investigating dermatokinetics of drugs.- Chapter 13 Forced perfusion microdialyais technique.- Chapter 14 Emerging technologies in transdermal drug delivery.