Ingredient

BIS-METHOXY PEG-10 DIMETHYL MEA/HDI/BIS-PEG-10 DIMETHICONE COPOLYMER

Substance information

"Methoxy" refers to a methyl-oxygen group (CH3-O-). Dimethoxy-, trimethoxy- etc refer to two, three or more methoxy groups. "PEG" refers to a PEG-(polyethylene glycol-) derivative. The number behind "PEG-" (or the first number behind "PEG/...-") refers to the average number of molecular units -CH2-CH2-O-. "Methyl" mostly refers to methanol (methyl alcohol) as alcoholic component or generally the methyl group as the smallest hydrocarbon residue with one carbon atom. Dimethyl-, trimethyl- etc refer to two, three or more methyl groups. "MEA" refers to a monoethanolamine salt or an amide of monoethanolamine (2-aminoethanol). Polymer or copolymer based on hexamethylene diisocyanate (HMDI, HDI) and possibly other monomers. Ingredient on the basis of poly(di)methyl siloxane ("dimethicone"). "Copolymer" refers to a polymer composed of several different (mostly two) basic units (monomers).


Function(s) of this ingredient in cosmetic products

HAIR CONDITIONING

Leaves the hair easy to comb, supple, soft and shiny and / or imparts volume


Origin

synthetic


Background information on use in cosmetics

Solid PEG serve as consistency enhancers in lipsticks and creams as well as humectants. They are well tolerated by the skin and are not microbiologically sensitive, so that in general it is not necessary to add any preservatives. Polyethylene glycols (INCI: PEG-...) are poly condensation products of ethylene glycol, or polymerisation products of ethylene oxide. The number added to the name refers to the mean number of ethylene oxide units in the substance. The consistency of the PEG derivatives is increasingly solid with a growing degree of polymerisation. PEGs with a mean molar mass of up to 600 g/mol are liquid, up to 1,000 g/mol wax-like and from 4,000 g/mol solid wax-like substances. By mixing solid and liquid components, products of a creamy consistency are obtained which are used as water-free and water rinse-off bases. With growing molar mass water solubility and hygroscopicity (ability to absorb moisture) of the polyethylene glycols decrease. Polyethylene glycols and their derivates are preferentially used in cosmetic products since they have a broad spectrum of viscosity and solubility properties and have a very good skin tolerance. As water soluble, non-greasy substances polyethylene glycols are suitable for many cosmetic purposes. The liquid PEGs serve, eg, as glycerol substitute in facial, shaving and hair lotions, as solubilisers and solvents.


Information on safe use

Claudia Fruijtier-Pölloth: Safety assessment on polyethylene glycols (PEGs) and their derivatives as used in cosmetic products. In: "Toxicology" (2005), No. 214, P. 1-38. Publisher: Elsevier Ireland Ltd.


Belongs to the following substance groups

Understanding your cosmetics

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