Gel Application - Uses, Benefits, Application

Gels are semi-solid substances with a jelly-like consistency that can be applied to the skin for various purposes. Testosterone gels, for example, are used topically for hormone replacement therapy.

Gel FAQ

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What is a gel in chemistry?

In this way, gels are a dispersion of molecules of a liquid within a solid medium. The word gel was coined by 19th-century Scottish chemist Thomas Graham by clipping from gelatine. The process of forming a gel is called gelation .

Is a gel a solid or a liquid?

A gel is a semi-solid that can have properties ranging from soft and weak to hard and tough. Gels are defined as a substantially dilute cross-linked system, which exhibits no flow when in the steady state, although the liquid phase may still diffuse through this system.

What type of material is a gel?

In general, gels are apparently solid, jelly-like materials. It is a type of non-Newtonian fluid . By replacing the liquid with gas it is possible to prepare aerogels, materials with exceptional properties including very low density, high specific surface areas, and excellent thermal insulation properties.

What does a gel look like?

Gel, coherent mass consisting of a liquid in which particles too small to be seen in an ordinary optical microscope are either dispersed or arranged in a fine network throughout the mass. A gel may be notably elastic and jellylike (as gelatin or fruit jelly), or quite solid and rigid (as silica