Description

Avena Sativa (Oat) Kernel Extract is a chemical compound, derived from oat (Gramineae family). Oat have been used for generations as a traditional medicine for the symptomatic treatment of minor skin inflammations (such as sunburn) and as an aid in healing minor wounds. This cosmetic ingredient can be derived from any species of oats. Oats are rich in flavonoids including kaempferol, amino acids including lysine and threonine, lipids including unsaturated triglycerides and phenolic compounds including benzoic and cinnamic acids, phenolic esters with antioxidant activity.
Compendium of the most significant studies with reference to properties, intake, effects: https://www.tiiips.com/m/tiiips/home?action=listReviews&reviewID=10040&oID=24047

What it is used for and where
Cosmetics
Antioxidant agent. Ingredient that counteracts oxidative stress and prevents cell damage. Free radicals, pathological inflammatory processes, reactive nitrogen species and reactive oxygen species are responsible for the ageing process and many diseases caused by oxidation.

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.

Skin conditioning agent - Miscellaneous. This ingredient has the task of modifying the condition of the skin when it is damaged or dry by reducing its flakiness and restoring its elasticity.
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CAS: 84012-26-0