Film forming gel are a novel approach in this area that might present an alternative to the conventional dosage forms used on the skin, such as creams, ointment, gels or patches. The polymeric solution is applied to the skin as a liquid state and forms a thin, transparent invisible film in situ by solvent evaporation. Film forming systems (FFS) are simple innovative, novel approach offers an advantages of thin, transpernt gel, self-drying, non-sticky, non-greasy, flexibility. Transdermal drug delivery system (TDDS) has been one of the most innovative and novel approaches of drug deliverises. Tdds and dermal drug delivery system can provide some desirable performances over conventional pharmaceutical dosage formulation such as avoiding gastrointestinal disturbances, hepatic 1st pass metabolism, increases drug bioavailability, reduction in dosing frequency, stabilizing drug delivery profiles. The aim of this review was to search for alternatives to the conventional dosage forms in order to reduces skin irritation, inflammation, redness and improve skin adhesion properties, increases the drug release and improve patient compliance.
film forming gel, transdermal drug delivery sytems, gelling agent, and evaluation parameter and application
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