Ppg-30-Capryleth-4 Phosphate is a chemical compound comprising Capryleth-4, an ether of polyethylene glycol, PEG, with 8 carbon atom chains of ethoxylated caprylic acid (4 mol), PPG and sulphuric acid.

PEGs (polyethylene glycol) polymerise condensed ethylene oxide and water and are referred to as polyethylene glycols, but are actually complex chemical components, polymers bonded together. For example, plastic is polyethylene and has a hard consistency, while polyethylene combined with glycol forms a liquid. PEGylation is produced not only as etherification, but also as transesterification, which is the transformation of an alcohol by an ester.
The number appearing after the abbreviation PEG represents the molecular weight and the higher this number is, the less it penetrates the skin.
Safety.
The term 'eth' refers to the ethoxylation reaction with ethylene oxide after which residues of ethylene oxide and 1,4-dioxane, chemical compounds considered carcinogenic, may remain. The degree of safety therefore depends on the degree of purity of the compound obtained. At present, no manufacturer is known to provide this information on the label.

PPG (Polypropylene glycol) in small quantities is a safe, biocompatible, biodegradable polymer that produces pyruvic acid, a metabolite that our body uses to produce metabolic energy.

What it is used for and where
Cosmetics
Surfactant - Cleansing agent. Cosmetic products used to cleanse the skin utilise the surface-active action that produces a lowering of the surface tension of the stratum corneum, facilitating the removal of dirt and impurities.
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