Over the last three decades, research in the field of phospholipid nanocarriers as tools to improve dermal and transdermal drug delivery has grown substantially. In particular, liposomes have been the target of studies aimed at reformulating vesicles with a greater ability to deliver drugs trans-dermally. A number of additives with varied physicochemical properties have been combined with traditional components of liposomes. These novel modification processes have produced new classes of vesicles with the potential to enhance the treatment of both dermatological disorders and systemic pathologies. Development of the first deformable and elastic phospholipid vesicles has highlighted the key role of vesicle composition in promoting release of vesicle content into and through the skin. This paper discusses the key vesicle properties and mechanisms of delivery by which newly developed phospholipid vesicles can improve percutaneous drug delivery.
Keywords: Dermal drug delivery; Ethosomes; Liposomes; PEVs; Phospholipids; Transdermal drug delivery; Transfersomes.
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