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Benzophenone-11: What Is It, Cosmetic Uses, Benefits & Side Effects

This article was last updated on: March 1, 2024

Understanding the world of cosmetics can often feel like you’re trying to decode a scientific formula, especially when you’re faced with a long list of complex ingredient names on the back of your favorite products.

One such ingredient that you might come across is Benzophenone-11. This might sound like a mouthful, but it’s a common component in many cosmetic products.

In this article, we’re going to dive deep into the world of Benzophenone-11, exploring what it is, why it’s used in cosmetics, and what you need to know about its benefits and potential side effects.

What is Benzophenone-11?

Benzophenone-11, also known as Bis(2,4-Dihydroxyphenyl)Methanone And Bis(2-Hydroxy-4-Methoxyphenyl)Methanone, is a common ingredient found in many cosmetic products. It’s primarily used as a UV absorber, meaning it helps to protect the skin from the harmful effects of the sun’s ultraviolet rays.

The production of Benzophenone-11 involves a chemical process that combines 2,4-Dihydroxyphenyl and 2-Hydroxy-4-Methoxyphenyl methanones. This results in a compound that can absorb and dissipate UV radiation, preventing it from penetrating the skin and causing damage.

While Benzophenone-11 can be purchased as a standalone product, it’s most commonly found as part of a wider formulation of ingredients within a product’s formulation. This is because it works best when combined with other skin-protecting ingredients.

Who Can Use Benzophenone-11?

Benzophenone-11 is suitable for all skin types. Whether you have dry, oily, combination, or sensitive skin, this ingredient can help to protect your skin from UV damage.

As for dietary preferences, Benzophenone-11 is suitable for both vegans and vegetarians. This is because it’s a synthetic compound, meaning it’s not derived from any animal products or by-products.

For pregnant and breastfeeding women, it’s always best to consult with a healthcare professional before using any new skincare products. However, there’s currently no specific evidence to suggest that Benzophenone-11 is unsafe for use during pregnancy or breastfeeding.

The Cosmetic Benefits/Uses of Benzophenone-11

The benefits and uses listed in this section are strictly the cosmetic benefits and uses of Benzophenone-11. It’s important to note that this ingredient may have applications in multiple different industries, which are beyond the scope of this article. The following benefits are based on its official function as a UV absorber.

  • Protection against UV radiation: Benzophenone-11 absorbs ultraviolet (UV) light, specifically in the UVB range. This is the type of UV radiation that causes sunburn and can damage the skin’s DNA, leading to premature aging and skin cancer. By absorbing this harmful radiation, Benzophenone-11 helps to protect the skin, reducing the risk of these issues.
  • Prevention of product degradation: In addition to protecting the skin, Benzophenone-11 also protects the product itself. UV light can degrade many cosmetic ingredients, reducing their effectiveness and potentially causing them to break down into harmful byproducts. By absorbing UV light, Benzophenone-11 helps to maintain the integrity and effectiveness of the product.
  • Enhancement of product lifespan: By preventing product degradation, Benzophenone-11 can also extend the shelf life of cosmetic products. This makes it a valuable ingredient in products that may be stored for long periods or exposed to sunlight, such as sunscreens or outdoor skin care products.

Potential Side Effects/Adverse Reactions

Side effects and reactions to the topical application of Benzophenone-11 can vary significantly from person to person. It’s important to understand that everyone’s skin is unique, and what may cause a reaction in one person may not in another.

Some potential side effects and interactions related to the topical application of Benzophenone-11 include:

  • Redness or irritation at the application site
  • Itching or burning sensation
  • Rash or hives
  • Swelling or inflammation
  • Dryness or peeling of the skin

If you experience any of these side effects while using Benzophenone-11 or a product containing it, discontinue use immediately and consult with a healthcare professional or dermatologist. They can provide guidance on how to treat the reaction and suggest alternative products that may be better suited to your skin type.

Adverse reactions to Benzophenone-11 are not common, but they can occur, particularly in individuals with sensitive skin or those who are allergic to the ingredient. It’s always important to monitor your skin’s response when introducing a new product into your skincare routine.

One of the best ways to minimize the risk of an adverse reaction is to perform a patch test before fully incorporating a new product into your routine. This simple step can help you identify potential sensitivities or allergies, ensuring that your skincare routine is as safe and effective as possible.

Comedogenic Rating

Comedogenicity refers to the potential of a substance to cause comedones, which are skin blemishes often associated with acne. These are caused by the blockage of pores by certain cosmetic ingredients. The comedogenic rating is a scale from 0 to 5, with 0 indicating that the substance does not block pores at all, and 5 indicating that the substance is highly likely to cause pore blockage.

Benzophenone-11 has a comedogenic rating of 0. This means that it is non-comedogenic and does not block pores or contribute to the formation of comedones. This rating is based on the molecular structure and properties of Benzophenone-11, which do not promote pore blockage.

Given its non-comedogenic nature, Benzophenone-11 is suitable for individuals who are prone to acne or breakouts. It can be used in cosmetic formulations without the risk of causing or exacerbating these skin conditions.

Conclusion

Benzophenone-11 serves as a UV absorber in cosmetic formulations. This means it helps to protect the skin from the harmful effects of ultraviolet radiation, which can cause skin damage and premature aging.

Despite its beneficial properties, Benzophenone-11 is not widely popular in the cosmetic industry. It is similar to other UV absorbers like Benzophenone-3 and Benzophenone-4, but it is not as commonly used as these ingredients.

In terms of safety, Benzophenone-11 is generally considered safe for use in cosmetics. Its non-comedogenic nature makes it suitable for all skin types, including those prone to acne or breakouts. However, as with all cosmetic ingredients, it is always advisable to perform a patch test before incorporating it into your skincare routine.

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