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Topical Preparation- Gels
Let's learn about the topical preparation about gels.
Gels are semisolid systems consisting of dispersions of small inorganic particles or large organic molecules in three-dimensional network in a medium.
Among all the topical preparations the gels exist ether in transparent or turbid forms. Have you ever heard about gels which can change the sol-gel state at different temperatures and agitation?
What molecular changes are responsible for different characteristics of gels? Can you identify a gel that you have encountered?
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