Blog & Conseils

L'expertise pharmaceutique
au service de votre peau.

Des articles clairs pour mieux comprendre votre peau,
vos actifs et construire une routine cohérente.

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Flacon de sérum à l'acide hyaluronique et niacinamide posé sur des pierres, soin hydratant dermocosmétique
acide hyaluronique June 17, 2026 5 min de lecture
Hyaluronic acid: which one to choose and why weight matters
Hyaluronic acid is not a single molecule. Its effectiveness depends on its size, and this size is almost never indicated. Here's what you really need to look for.
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Plusieurs sérums et flacons compte-gouttes d'actifs cosmétiques disposés ensemble, illustrant l'association des actifs
actifs May 3, 2026 4 min
Which cosmetic active ingredients can be combined without irritating the skin
 Is your skin irritated despite using good products? The problem might be with combinations. Here are documented problematic combinations...
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Quelle routine adopter quand on a une peau noire ou métissée
actifs May 3, 2026 4 min
What's the best skincare routine for Black or mixed-race skin?
Black and mixed-race skin has specific biological characteristics that most skincare advice ignores. Here's what makes them unique and ho...
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Pourquoi le mot cosméceutique ne veut rien dire en droit européen
actifs April 25, 2026 4 min
Why the word "cosmeceutical" is meaningless in European law
"Cosmeceutical" is everywhere. Yet this word does not exist in European law. Here's what it really means, what distinguishes a well-formu...
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Quels actifs skincare font vraiment quoi : le glossaire complet
actifs April 25, 2026 4 min
What Skincare Ingredients Actually Do: The Complete Glossary
Niacinamide, retinol, AHA, ceramides, peptides: skincare active ingredients are everywhere but rarely well explained. This glossary decip...
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Flacon de sérum cosmétique sur fond neutre, illustrant les actifs dermatologiques de pointe
actifs April 25, 2026 4 min
PDRN, Exosomes, Glutathione: What the Science Really Says
These assets are the talk of the town. But the line between solid evidence, exaggerated promises, and data-free trends is rarely explaine...
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Sérum au rétinol versé depuis une pipette compte-gouttes, soin anti-âge du soir
actifs April 23, 2026 4 min
How to introduce retinol without irritating or damaging your skin
Retinol is the most documented anti-aging active ingredient available. But it rewards gradual progress and doesn't forgive impatience. He...
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Comment reconnaître son type d'acné pour choisir les bons actifs
acné April 23, 2026 4 min
How to identify your type of acne to choose the right active ingredients
Not all acne is treated the same way. Identifying your type is the first step to choosing the right active ingredients and stopping the e...
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Pourquoi les routines skincare virales abîment-elles la peau ?
actifs April 21, 2026 4 min
Why do viral skincare routines damage the skin?
A product recommended by a million people is not suitable for any one of them in particular. Here's what viral trends really do to the sk...
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Comment lire une liste INCI : fairy dusting et actifs sous-dosés
actifs April 21, 2026 4 min
How to read an INCI list: fairy dusting and underdosed active ingredients
An ingredient listed on a label is not necessarily present in an effective dose. Understanding the INCI list means understanding why most...
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Comment construire une routine skincare homme vraiment efficace
actifs April 20, 2026 4 min
How to build a truly effective men's skincare routine
Men's skin has specific biological characteristics that change everything when it comes to choosing skincare. Here's what science says an...
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