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Skin aging is one of the prominent problems associated with skin as each part of body ages with the time, skin is the external organ where the sign and symptoms of aging are readily evident. However cosmetics as well as pharmaceutical approaches delayed skin aging. Gel are best fitted in all these essential criteria because of their excellent appearance, smoothness, desired consistency, fast drug release, ease of manufacturing and quality assessment and admirable stability. Recently gel formulation have been modified to yield an advance drug delivery system known as ―organogels‖. Gel define as a semi-solid preparation having an external solvent phase, apolar [organogel] or polar [hydrogel] immobilized within the space available of a three dimensional network structure. Lecithin is a natural surfactant isolated from eggs or soya bean, when it combined with water and non-polar solvent, it form gels. PLO gels have gained importance in recent years as transdermal drug delivery system. It is a thermodynamically stable, visco-elastic system, which is non-irritating, odorless and biodegradable. Pluronic F127 or poloxamer is a copolymer of polyoxyethylene and polyoxypropylene which forms a thermoreversible gel in concentrations between 15-30%w/v. Water plays the role of a structure-forming agent and stabilizes the process of gel formation as it solubilizes the pluronic and other hydrophilic drugs. PLO gel system facilitates the delivery of hydrophilic as well as lipophilic drugs owing to the presence of both oil and aqueous phases within the gel system.
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Mehta C, Bhatt G, Kothiyal P. A Review on organogel for skin aging. IJPBR [Internet]. 30Sep.2016 [cited 12Aug.2020];4(03):28-. Available from: http://ijpbr.in/index.php/IJPBR/article/view/912
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