Almond oil glycereth-8 esters is the oily product obtained by a process of transesterification of the plant Prunus amygdalus dulcis with Glycereth-8.

What it is used for and where
Prunus Amygdalus Dulcis (Sweet Almond) is one of the most popular crops worldwide and belongs to the Rosaceae family. Photochemical analysis revealed a number of compounds beneficial to health: Phenolic acids (hydrobenzoic acids), polyphenolic acids (ellagic acid, gallic acid, caffeic acid), isoflavones, anthocyanins (cyanidin and delphinidin), bioflavonoids, flavanols (epicatechin and procyanidins), flavonol glycosides (kaempferol, quercetin, isorhamnetin-3-O-glucoside), triterpenes, tannins, all with antioxidant and anti-inflammatory activity.

Safety
It is a product structurally related to PEGs (polyethylene glycerol ethers) on the safety of which the scientific literature has conflicting opinions.
Since the PEG (Polyethylene glycol) family is very numerous and can be found in cosmetic, industrial, pharmaceutical, medical and other products, we need to make an introductory statement on the subject, which is rather complex from a safety point of view because these products not only come into contact with the skin, but, as in the case of medical products, are ingested.
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.

Medical
Clinical studies have shown properties in counteracting some major diseases, reducing oxidative stress, glucose homeostasis, protection against cardiovascular risk, neuroprotection. It also reduces the symptoms of irritable bowel syndrome.

Cosmetics
Skin conditioning agent - Emollient. Emollients have the characteristic of enhancing the skin barrier through a source of exogenous lipids that adhere to the skin, improving barrier properties by filling gaps in intercorneocyte clusters to improve hydration while protecting against inflammation. In practice, they have the ability to create a barrier that prevents transepidermal water loss. Emollients are described as degreasing or refreshing additives that improve the lipid content of the upper layers of the skin by preventing degreasing and drying of the skin. The problem with emollients is that many have a strong lipophilic character and are identified as occlusive ingredients; they are oily and fatty materials that remain on the skin surface and reduce transepidermal water loss. In cosmetics, emollients and moisturisers are often considered synonymous with humectants and occlusives.

Surfactant - Emulsifying agent. Emulsions are thermodynamically unstable and are used to soothe or soften the skin and emulsify, so they need a specific, stabilising ingredient. This ingredient forms a film, lowers the surface tension and makes two immiscible liquids miscible. A very important factor affecting the stability of the emulsion is the amount of the emulsifying agent. Emulsifiers have the property of reducing the oil/water or water/oil interfacial tension, improving the stability of the emulsion and also directly influencing the stability, sensory properties and surface tension of sunscreens by modulating the filmometric performance.
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