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The eye edit: from brow fortification to under-eye brightening.
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Targeted eye treatments. For a rested, strengthened gaze.

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Excipients

Excipients are inactive substances that play a vital role in the formulation of cosmetics. They ensure the stability, texture and efficacy of products, whilst facilitating the absorption of active ingredients by the skin. Discover how these compounds influence the quality and user experience of your favourite skincare products.
C13-14 Alkane.
Cosmetic Ingredients
3 min of reading
What is "C13-14 Alkane" and what is its purpose?

Lotions, creams, shampoos, hair dyes, foundations... "C13-14 Alkane" is an ingredient used in some cosmetic products due to its physical and sensory properties. But what is this compound? What does it bring to the formulation?

Informations o-cymen-5-ol.
Cosmetic Ingredients
4 min of reading
What is "O-Cymen-5-ol" and what is its purpose?

O-cymen-5-ol is used in a wide range of cosmetic formulations, from creams and compact powders to shampoos. But what exactly is it and why is it used in cosmetics?

Définition et fonction Isoamyl Laurate.
Cosmetic Ingredients
5 min of reading
What is "Isoamyl Laurate" and what is its purpose?

From hair detangling treatments to eye contour care, through to foundations, many formulas mention Isoamyl Laurate in their list of ingredients. But what is it? What is its role in cosmetics? We introduce it to you in this article.

Rôle eau soins cosmétiques.
Cosmetology
5 min of reading
What role does water play in skincare products?

If there is indeed an ingredient present in the majority of skincare products, it is certainly water, or "Aqua" or even "Water", its official names in the International Nomenclature of Cosmetic Ingredients. It plays a crucial role not only in the formulation of skincare products but also in their effectiveness. Let's look at this in more detail in this article.

FAQ about excipients

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

An active ingredient is a substance that exerts a direct effect on the skin, whilst an excipient supports the active ingredient without possessing any biological effect of its own.

Are all excipients synthetic?

No, excipients may be of natural or synthetic origin, depending on the product formulation.

Do excipients affect the shelf life of cosmetics?

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

Can excipients alter the colour or odour of a cosmetic product?

Yes, certain excipients can influence the colour, odour 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 one another?

Yes, certain excipients can interact with one another, thereby affecting the stability or efficacy of the product.

Is it possible to be sensitive to excipients without being sensitive to the active ingredients?

Yes, it is possible to react to an excipient whilst perfectly tolerating a product’s active ingredients.

How can excipients be identified on a label?

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

Are natural excipients superior to synthetic excipients?

Not necessarily. Natural or synthetic status neither predicts efficacy nor tolerability; it all depends on the molecule and its intended use.

Can excipients be comedogenic?

Yes, certain lipid-based substances or occlusive agents, such as paraffin or animal waxes, can promote pore blockage in some individuals. This depends on skin type and the overall formulation.

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