2025 Advent Calendar: Sign up to get notified when it’s released

If I'm allergic to a nut, can I use its vegetable oil in a cosmetic application?

Summary

Published on November 12, 2021, updated on August 7, 2024, by Maylis, Chemical Engineer — 1 min of reading

Share this article

Themes:

Allergy is a complex phenomenon that depends on the individual. Generally, it is not possible to definitively determine whether or not a food allergy can lead to a cosmetic allergy.

If you are allergic to a specific nut but wish to use its vegetable oil for topical application, we advise you to consult with your doctor beforehand. Without medical advice, as a precaution, do not apply the vegetable oil to your skin.

Diagnostic

Understand your skin
and its complex needs.

Begin diagnostic test

Différence d'efficacité entre crème de jour avec SPF et crème solaire.

Is a day cream with SPF as effective as a sunscreen?

4 min of reading

We all know it: sun protection is crucial, and that means any sun product is better than none at all. Today, it is now included in a variety of skincare products, such as your daily moisturizer. Aside from the fact that it can simplify your daily skincare routine, is it truly effective in protecting the skin against the harmful UVA and UVB rays of the sun? Continue reading to discover how the SPF in moisturizers compares to traditional sunscreens.

Skin Purging: Does Niacinamide Cause Breakouts?

3 min of reading

Niacinamide is generally considered a gentle ingredient, well tolerated by all skin types. However, some people have reported the onset of pimples after using it. Continue reading to find out if niacinamide triggers purges.

Temps résultats utilisation topique niacinamide.

How long does it take to see the results from using products containing niacinamide?

11 min of reading

First studied for its skin benefits in the 1970s, niacinamide has become a staple ingredient in skincare and can be found in a wide range of formulations. From soothing the skin, improving hydration, supporting the skin barrier, fading brown spots, reducing pore size, to preventing signs of skin aging, it is considered a solution for many of the most common skin problems. But how long should one wait before seeing a difference?

Possibilité de changer typologie de peau.

Is it possible to change your skin type?

6 min of reading

Just when you've finally been able to identify your skin type, as well as the necessary skincare products to meet your skin's specific needs, you start to notice visible changes in texture, complexion, and sensitivity that weren't observed before. But once we know our skin type, is it set for life or can it deviate from its current path over time?