Alginic acid and calcium lactate form a gel.
Alginic acid can quickly absorb moisture and can be used as a dehydrating agent and sizing agent in the paper and textile industries. Its main function is to be used as an emulsifier or thickener in the food industry and daily chemical industry in the form of sodium alginate or potassium alginate. It is a common ingredient in food and cosmetics such as ice cream and milkshakes.
Extended information:
In the pharmaceutical industry, alginic acid is a commonly used excipient: its viscosity makes it a binder for tablets; because it swells when exposed to water, it is Used as a disintegrant to disperse tablets within the body.
Or it can be used as a dispersant to disperse active ingredients into a liquid to form a suspension; alginate is used as a drug sustained-release agent. Dentistry uses it to replace plaster and rubber to make dental molds.
Baidu Encyclopedia-Alginic acid