What is Quercetin?
Quercetin, scientifically known as 4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-, is a naturally occurring flavonoid found in a wide variety of fruits, vegetables, and grains such as apples, onions, and berries. It is also known by other names such as Meletin, Sophoretin, and Xanthaurine. Its chemical composition includes three hydroxyl groups, which contribute to its antioxidant properties.
The use of Quercetin in cosmetics can be traced back to its discovery in the early 20th century, when it was first isolated and identified. Recognized for its antioxidant properties, it was soon incorporated into cosmetic products to help protect the skin from oxidative stress caused by environmental factors such as UV radiation and pollution.
Quercetin is typically extracted from plants through a process that involves drying, crushing, and soaking the plant material in a solvent, usually ethanol or water. The solution is then filtered and concentrated to yield a pure extract of Quercetin.
While there are other antioxidants used in cosmetics, such as Vitamin C and E, Quercetin stands out for its unique ability to also act as a skin conditioner. This dual function makes it a versatile ingredient in skincare products.
Quercetin is typically used in a variety of cosmetic products, including moisturizers and serums. Its antioxidant properties make it a valuable ingredient in anti-aging products, as it can help to protect the skin from damage that can lead to premature aging. Meanwhile, its skin conditioning properties help to keep the skin hydrated and smooth, enhancing the overall appearance and feel of the skin.
Benefits and Uses
In this section, we will delve into the officially recognized benefits and uses of Quercetin:
Antioxidant Properties
Quercetin is known for its potent antioxidant properties. In the context of cosmetics, this means it can help protect your skin from the harmful effects of free radicals. Free radicals are unstable molecules that can cause damage to your skin cells, leading to premature aging and other skin issues. By neutralizing these free radicals, Quercetin helps to maintain the health and vitality of your skin, keeping it looking youthful and radiant.
Skin Conditioning
Another official function of Quercetin is its role as a skin conditioning agent. This means it helps to enhance the appearance and feel of your skin. It works by softening and smoothing the skin, reducing roughness, cracking, and irritation. This makes your skin feel more comfortable and look more attractive. Whether you have dry, oily, or combination skin, Quercetin can help to improve its texture and overall condition.
It’s important to note that these benefits are based on the officially recognized and defined functions of Quercetin. While there may be other potential benefits and uses of this ingredient, they go beyond the scope of its official functions and therefore, are not covered in this article. Always remember to use cosmetics responsibly and consult with a professional if you have any concerns.
Safety Profile
Quercetin is not a banned or regulated ingredient in cosmetics. It is generally considered safe for use in skincare products. However, like any ingredient, it may not be suitable for everyone and could potentially cause allergic reactions in some individuals.
Some potential side effects of topical application of Quercetin include:
- Redness
- Itching
- Swelling
- Skin irritation
A note for women who are pregnant and/or breastfeeding – There is currently insufficient data to definitively state whether Quercetin is safe for use during pregnancy or breastfeeding. As such, it is recommended that you consult a healthcare professional for further advice if you are pregnant or nursing and considering using products containing Quercetin.
Side effects or adverse reactions to Quercetin are not common, but they can occur. As with any new skincare product, it is recommended to perform a patch test before widespread usage to ensure you do not have an adverse reaction.
This ingredient analysis has been commissioned by Truth In Skincare (TiS), an independent industry regulator. The analysis was conducted by a TiS-appointed industry consultant whose sources include CosIng (Cosmetic Ingredient Database – by the European Commission), the Personal Care Products Council (PCPC), The US Food & Drug Administration (FDA) as well as other various publicly available sources.
