Peg (inci)

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Synonym(s)

Carbowax; Ethylenum oxydatum polymerisatum; Macrogol; Polyethylene glycol; Polyethylene oxide

Definition
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"PEG" refers to a polyethylene glycol derivative. PEG is called macrogol in the pharmaceutical industry.

The different polyethylene glycols (macrogols) are used in cosmetic products. The number added to the designation PEG (or macrogol) indicates the average number of molecular units -CH2-CH2-O-. The different number of molecular units defines the different physical and chemical properties of the substances.

Polyethylene glycols tend to form complexes. These are often concentration-dependent. Polyethylene glycols are versatile auxiliary substances in pharmaceutical technology. They are used as solubilizers, plasticizers, ointment bases, emulsion stabilizers, water-soluble lubricants and as matrix material.

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Last updated on: 29.10.2020