What Is Quercetin?

Learn about the antioxidant and skin conditioning characteristics of Quercetin and its usage in personal care products.

What Is Quercetin? Brandon Jones / IngredientReviewer

Last Updated: October 2, 2024

Written by Brandon Jones

What Is Quercetin?

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Quercetin is a natural substance found in many plants that have a yellowish color. It has antioxidant properties which can help protect your skin from damage caused by things like pollution and UV rays. In cosmetics, it is used to condition the skin and make it look smoother and healthier. When dissolved in alcohol, it tastes very bitter. It is also known as Quercetin-7-olate and can be found in peas as well.

What is the purpose of Quercetin in personal care products? It is used for its antioxidant and skin conditioning characteristics. Quercetin prevents oxidation and moisturizes and strengthens skin.

Names and identifiers that we found for this substance include: Quercetin and 2-(3,4-Dihydroxyphenyl)-3,5,7-trihydroxy-4H-1-benzopyran-4-one.

What Are Antioxidant Ingredients?

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Quercetin has antioxidant characteristics.

Antioxidants neutralize harmful molecules caused by pollution, UV radiation, and stress that can damage skin cells. Antioxidants can help reduce inflammation and redness. Antioxidant ingredients are also used in skincare products to keep skin healthy and youthful, extend the shelf life of food and beverages, and prevent the breakdown of active ingredients in medications.

Types of Antioxidants Ingredients

Here are some of the most common types of antioxidants ingredients in cosmetics and other products:

  • Vitamins: Certain vitamins, such as vitamins C, E, and A (retinol), are known for their antioxidant properties.

  • Botanical extracts: Many plants contain natural antioxidants that can be extracted and used in cosmetics. Examples include green tea, grape seed, pomegranate, and chamomile.

  • Peptides: Certain peptides, such as glutathione, can have antioxidant properties and may be used in cosmetics.

  • Carotenoids: Carotenoids are pigments found in plants that have antioxidant properties. Some examples include lycopene, beta-carotene, and astaxanthin.

What Are Skin Conditioning Ingredients?

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Quercetin has skin conditioning characteristics.

Skin conditioning ingredients improve the texture, feel, and overall appearance of the skin, helping to avoid harmful effects from external factors. Skin conditioning ingredients moisturize the skin and strengthen its natural barrier function to help protect it from damage caused by harsh weather and sunlight. Some skin conditioning ingredients are anti-inflammatory and can help reduce redness and irritated skin.

Safety

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Remember, always read and follow the instructions provided on product labels carefully. If you have any questions or concerns about using a product containing various ingredients, consult with your doctor or healthcare provider before use.