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Limited edition: The 2025 Advent Calendar
2025 Advent Calendar: 24 limited edition treatments to discover

2025 Advent Calendar: 24 limited edition treatments to discover

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Excipients

Excipients are non-active substances that play a crucial role in the formulation of cosmetics. They ensure the stability, texture, and effectiveness of the products, while facilitating the absorption of active ingredients by the skin. Discover how these compounds influence the quality and user experience of your favorite skincare products.
Sodium lauryl sulfate
Why doesn't Typology use sodium lauryl sulfate?
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Sodium laureth sulfate
6 min of readingWhy doesn't Typology use sodium laureth sulfate?
Silicones
5 min of readingWhy doesn't Typology use silicones?
Rôle eau soins cosmétiques.
5 min of readingWhat role does water play in skincare products?
FAQ about excipients

What is the difference between an excipient and an active ingredient?

An active ingredient is a substance that has a direct effect on the skin, while an excipient supports the active ingredient without having its own biological effect.

Are all excipients synthetic?

No, excipients can be of natural or synthetic origin, depending on the product's formulation.

Do excipients influence the shelf life of cosmetics?

Yes, certain excipients, such as preservatives, extend the shelf life of products by preventing the growth of microorganisms.

Can excipients alter the color or smell of a cosmetic product?

Yes, certain excipients can influence the color, smell, or texture of the final product.

Are excipients necessary in all cosmetics?

Yes, without excipients, the active ingredients would be unstable, ineffective, or difficult to apply to the skin.

Can excipients interact with each other?

Yes, certain excipients can interact with each other, thereby affecting the stability or effectiveness of the product.

Can we be sensitive to excipients without being sensitive to active ingredients?

Yes, it is possible to react to an excipient while perfectly tolerating the active ingredients of a product.

How to identify excipients on a label?

Just like active ingredients, excipients are listed in the composition of cosmetics under their INCI name. Their order of appearance depends on their concentration, with the most concentrated ones appearing first.

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