Polyglyceryl-3 Distearate
Polyglyceryl-3 Distearate is a diester of stearic acid and a polyglycerol with an average of 3 glycerol units, chemically described as 1,2,3-propanetriol homopolymer octadecanoates (1:2) with a 2 mol glycerol average molar ratio. It is listed under CAS numbers 9009-32-9 and 94423-19-5. According to CosIng, its officially recognized function is emulsifying, meaning it helps blend water and oil phases in cosmetic formulations. It appears as an ingredient across a wide range of skincare products including creams, serums, and lotions.
Polyglyceryl-3 Distearate primarily serves as an emulsifier, enabling stable water-in-oil or oil-in-water emulsions in cosmetic formulations. Its use contributes to the texture and consistency of creams and lotions. No additional skin-active benefits are described in the source.
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