PEG-45M

CAS Number	25322-68-3
Chem/IUPAC Name:	Poly(oxy-1,2-ethanediyl), .alpha.-hydro-.omega.-hydroxy- (45,000 mol EO average molar ratio)
COSING REF No:	76914

Peg-45M is a stabilizing ingredient used in a wide range of personal care and cosmetic products. It is a white powdery substance that is soluble in water and is silica free. Further, Peg-45M can also be used as a binder in the formulations. It is good for increasing the viscosity of personal care and cosmetic products and improving their textures. The chemical formula of Peg-45M is (C₂H₄O)mult-H₂O.

Who supplies PEG-45M ?

Meisei Chemical Works

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Dow

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Sumitomo Seika Chemicals

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What is PEG-45M used for?

Peg-45M is a useful ingredient in the cosmetic and personal care industry. It can be found in products such as shampoos, cleansers, and moisturizers.

Hair care: It is a good viscosity-increasing ingredient that thickens hair care formulations and improves their texture. The addition of this ingredient also enhances the spreadability of the product
Skin care: It binds the ingredients present in a formulation and improves the quality of the final product. It is also used to obtain the desired viscosity
Cosmetic products: It acts as an emulsion stabilizer that works well with the other ingredients present in the formulation and makes it more stable. It prevents the oil-based and water-based ingredients from separating, thus increasing the quality of the product

Origin

The ingredient Peg-45M is ethylene glycol’s polymer. The number here indicates the units of ethylene glycol present in the ingredient and the letter ‘M’ along with it represents 1000. So, Peg-45M contains 45000 units of ethylene glycol.

What does PEG-45M do in a formulation?

Binding
Emulsion stabilising
Viscosity controlling

Safety profile

Peg-45M is safe to be used in personal care and cosmetic products in small quantities. It is sometimes considered toxic because of the production of 1,4-dioxane during the manufacturing process. However, proper filtration processes eliminate this issue. Peg-45M is good for all skin and hair types. But, a patch test should be performed prior to full usage.