• Applied Chemistry for Engineering
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• v.16 no.1
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• pp.15-20
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• 2005

Many scientists have been interested in drug delivery system (DDS) which improves medical treatment for curing a disease. Transdermal drug delivery (TDD) that is one of the DDS offers several advantages over the traditional methods. For this reason, the study of TDD has been investigated in various field. In this paper, principle of transdermal delivery and penetration enhancers into the skin including in vitro and in vivo data have been studied.