A Novel Tool for Controlled Delivery: Transdermal Drug Delivery System

Transdermal Drug Delivery Systems comes under the category of Controlled drug delivery. The main goal of TDDS is to deliver the drug through skin into systemic circulation at controlled rate. TDDS is used to overcome the problems faced during drug administration through oral route. TDDS offers various advantages over different types of drug delivery like oral, IV etc. it provides control release of drug, avoids first pass metabolism, improves bioavailability, better patient compliance and many more. Drug with small molecules can be easily given by transdermal route. These Transdermal patches represents key outcome for growth in skin science and technology. This Review article explains all the detailed information of introduction of TDDS, its advantages and disadvantages, skin and drug permeation and its principle, contents of Transdermal patches it's types and evaluation test.