Lyotropic liquid crystals are a type of liquid crystal that form when certain substances, such as surfactants or polymers, are dissolved in a solvent. These materials exhibit unique properties, allowing them to flow like liquids while maintaining some ordered structure, similar to solids. Their behavior depends on the concentration of the dissolved substance and the temperature, leading to various phases, including nematic and smectic. These liquid crystals are commonly used in applications like cosmetics, pharmaceuticals, and food products, where their ability to stabilize emulsions and enhance texture is valuable. Their unique properties also make them of interest in research for developing new materials and technologies.