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What is "Ethylhexyl Triazone" and what is its purpose?

What is "Ethylhexyl Triazone" and what is its purpose?

When exposed to the sun, unprotected skin undergoes the assault of UVA and UVB rays. UVA rays penetrate deeply into the skin, promoting premature aging. As for UVB rays, they primarily damage the skin's surface, causing burns and sunburns. To protect the skin from UV rays, mineral and organic sun filters are added to skincare formulas, notably "Ethylhexyl Triazone".

What is "Ethylhexyl Triazone"?

"Ethylhexyl Triazone", translated into English as "Octyl Triazone", is an organic compound added to sunscreens to absorb UVB rays. Also known as Uvinul T 150, this active ingredient is valued for its strong absorption capacity. Indeed, it exhibits a superior photo-stable absorption capacity compared to all other currently available UVB filters. Its maximum absorption is at 314 nm.

"Ethylhexyl Triazone" presents itself as a powder that is soluble in oil. It is odorless and colorless, making it an ideal active ingredient in fragrance-free skincare products. According to European restrictions, the maximum permitted concentration of "Ethylhexyl Triazone" is 5%. This rate is the same in most countries, with the exception of the United States and Canada.

What is the usefulness of "Ethylhexyl Triazone"?

"Ethylhexyl Triazone" is valued for its absorption capacity. Its main functions in a formula are as follows:

  • It absorbs UV rays. This property helps protect the skincare product and its active ingredients from the effects of UV radiation.

  • It filters certain UV rays to protect the skin and hair from their harmful effects.

  • This stabilizing agent contributes to the enhancement of ingredients and/or the stability of the formulation.

  • It promotes the shelf life of the skincare product.

Manufacturers take advantage of the properties of "Ethylhexyl Triazone" to finalize the formula of various skincare products. Here are a few examples:

  • Sunscreen creams for children;

  • Adult sunscreen creams;

  • Day creams;

  • The lotions;

  • Sunscreen oils.

This active ingredient is also used in lipsticks and lip balms to maintain the quality of their components.

"Ethylhexyl Triazone" in a Typology Skincare Product

The SPF30 face sunscreen includes "Ethylhexyl Triazone" in its formula. However, this organic active ingredient is not a primary one, but is used in small doses. The product combines mineral and organic filters to provide broad-spectrum protection against UVA and UVB rays. Regular application during sun exposure days helps prevent photoaging. The main ingredients of the SPF30 face sunscreen are natural actives:

  • Aloe Vera:

Thanks to its hydrating power, aloe gel compensates for water loss. It is also rich in trace elements and vitamins, essential contributions to skin repair.

  • Hyaluronic Acid:

This active ingredient is derived from the fermentation of wheat. It is selected for its highly moisturizing virtues.

  • Karanja Oil:

It is chosen for its antioxidant properties and its composition rich in flavonoids.

The SPF30 face sunscreen is composed of 83.9% naturally sourced ingredients.


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