Abstract

Microsponge type of drug delivery is the latest technology which has been introduced in topical skin care, drug products to facilitate the controlled release of the active medicament into the skin in order to reduce systemic exposure and control local cutaneous reactions to active drugs. Microsponge can be loaded into a topical route of drug delivery system for the residue of dosage form of skin and thus controlled release drug delivery system is achieved and in return improving the patient compliance by providing target drug delivery system and prolonging dosage intervals. Microsponge is polymeric delivery systems composed of porous microspheres. They are tiny sponge-like spherical particles and posses large porous surface area. Furthermore, they may enhance stability, reduce side effects, improve patient compliance and modify drug release. Microsponges are the polymer-based microspheres system that has the capacity to entrap a wide variety of substances, and can then be incorporated into a different formulation.

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