TOPICAL GELS AS ADVANCED DRUG DELIVERY SYSTEMS: FORMULATION, CHARACTERIZATION AND THERAPEUTIC APPLICATIONS

Topical gels are semisolid formulations characterized by a significant degree of either chemical or physical cross linking that confines a fluid phase within a three-layer matrix made of artificial or natural polymers gum. Topical gels' intermediate nature between materials that are liquid and solid makes them an excellent choice for a variety application. In recent decades, topical gels have drawn a lot of attention from individuals working in the pharmaceutical sector, research and development, instruction, and the management of drug control, and other fields. This article's goal is to discuss the basics and current developments in topical gels, including categorization and preparation techniques. Hydrogel's use in drug delivery systems is covered separately. Particular attention is paid to its categorization, preparation process, and assessment criteria.