Article last updated: October 15, 2024
Quercus Robur Bark Extract, also known as English Oak Bark Extract, is derived from the bark of the English Oak tree, scientifically named Quercus robur L., belonging to the Fagaceae family. This extract is known for its astringent properties, making it a popular ingredient in various cosmetic formulations. The English Oak tree is native to Europe and has been revered for centuries not only for its sturdy wood but also for its medicinal properties.
Historically, the bark of the English Oak has been used in traditional medicine for its tannin-rich composition, which contributes to its astringent qualities. Tannins are polyphenolic compounds that can constrict and tighten tissues, making them useful in treating minor skin irritations and inflammations. Over time, the beneficial properties of Quercus Robur Bark Extract have been harnessed and incorporated into modern skincare products.
The process of making Quercus Robur Bark Extract involves harvesting the bark from mature English Oak trees, followed by drying and grinding it into a fine powder. This powder is then subjected to a solvent extraction process, typically using water or alcohol, to isolate the active compounds. The resulting extract is filtered and concentrated to produce a potent ingredient ready for use in cosmetic formulations.
In this section, we will delve into the officially recognized cosmetic benefits and uses of Quercus Robur Bark Extract:
Quercus Robur Bark Extract is primarily known for its astringent properties. In simple terms, an astringent is a substance that can contract skin tissues and reduce the appearance of pores. This can be particularly beneficial for individuals with oily or acne-prone skin, as it helps to tighten the skin and reduce excess oil production. By minimizing the appearance of pores, it can also contribute to a smoother and more refined skin texture.
Note: the listed benefits above are exclusively based on the officially recognized and defined functions of the ingredient, as documented by the International Nomenclature of Cosmetic Ingredients (INCI).
Quercus Robur Bark Extract is generally considered safe for topical application in cosmetic products. However, as with any ingredient, there are potential side effects and considerations to be aware of:
Regarding individuals who are pregnant or breastfeeding, data and research on the topical usage of Quercus Robur Bark Extract during pregnancy are lacking. Therefore, it is advisable for these individuals to consult a healthcare professional for further advice before using products containing this ingredient.
Side effects and adverse reactions from Quercus Robur Bark Extract are relatively uncommon. However, it is always recommended to perform a patch test before widespread usage to ensure there is no adverse reaction.
In terms of comedogenicity, Quercus Robur Bark Extract scores a 1 on a scale of 0 to 5, where 0 is totally non-comedogenic and 5 is highly comedogenic. This low score indicates that it is unlikely to clog pores and cause acne, making it suitable for individuals prone to blemishes and breakouts.
