What are the types of gel? Types of gel include classification by composition, use, and formation. By composition, there are hydrogels water-based gels like contact lenses and wound dressings, organogels organic solvent based, xerogels dried gels like silica gel, and aerogels highly porous gels with gas. By use, types include hair gel for styling, shower gel for cleansing, hand sanitizer gel for disinfecting, ultrasound gel for medical imaging coupling, aloe vera gel for skin soothing, topical drug gels like diclofenac gel for pain, food gels like gelatin and agar for desserts, and laboratory gels like agarose gel and polyacrylamide gel for electrophoresis separation of DNA and proteins. By formation, physical gels formed by physical cross-links and reversible with temperature, and chemical gels formed by covalent bonds and irreversible. So types of gel vary widely, including personal care gels, medical gels, food gels, and scientific gels, each with different composition and purpose.
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