What is an example of a gel?

What is an example of a gel? Example of a gel includes many everyday products. Hair gel is common example, used for styling hair to hold shape with firm hold and shine. Shower gel is example for cleansing body with lather. Hand sanitizer gel is example for disinfecting hands without water. Aloe vera gel is example for soothing skin and treating burns. Silica gel packets found in shoe boxes are example of desiccant gel that absorbs moisture. Gelatin dessert like Jello is example of food gel that is semi-solid jelly. Ultrasound gel used in medical imaging is example for improving contact between probe and skin. Laboratory agarose gel used for DNA electrophoresis is example of scientific gel. So examples of gel include hair gel, shower gel, hand sanitizer gel, aloe vera gel, silica gel, gelatin, and ultrasound gel, all sharing jelly-like semi-solid consistency where liquid trapped in solid network, used for styling, cleansing, protecting, or scientific purposes.