Propanediol is a cosmetic chemical used as a humectant, solvent, and viscosity decreasing agent. It is a clear, colorless, and odorless liquid derived from corn, tapioca, or other plant sources. It is a natural alternative to petroleum-based glycols, and is often used in place of propylene glycol in cosmetics and personal care products. Propanediol is a hygroscopic material, meaning it absorbs moisture from the air, and is often used in moisturizers, shampoos, and other products to help keep skin and hair hydrated. It is also used as a preservative in cosmetics, as it helps to prevent the growth of bacteria and fungi. Propanediol is a popular ingredient in many cosmetic products, as it is non-toxic, non-irritating, and biodegradable. It is also a renewable resource, making it an environmentally friendly choice. Some companies that produce and market propanediol for use in cosmetics include Dow Chemical, BASF, and Ashland. Show Less Read more
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