Journal

169 Posts

dossiers

17/07/2026

What we reject in our formulas: the dermatological vision of "Primum non nocere"

"Primum non nocere". First, do no harm. This maxim, inherited from Hippocrates and taught to every doctor, has always guided Dr. Sylvie Peres' ...

visites

08/07/2026

Spa Alaena opens in La Baule

Long associated with its Belle Époque villas, long sandy beaches, and seaside elegance, La Baule is experiencing a true renaissance today. A new ge...

dossiers

07/07/2026

Sun protection: a dermatologist's guide to long-lasting skin protection

By Dr. Sylvie Peres, dermatologist and founder of Alaena Sun protection is now recognized as the most effective way to preserve skin quality over t...

dossiers

29/06/2026

Why are mitochondria at the heart of skin aging?

Mitochondria and Skin Aging: Why Cellular Energy Has Become a Major Issue in Skin Longevity Skin aging is not solely a result of the passage of tim...

inspirations

23/06/2026

Ana Tortos x Alaena Illustrated Gift Sets: A Fusion of Art and Living Cosmetology

Alaena essentials in travel size, illustrated by Ana Tortos. Designed as precious objects to take everywhere with you, these boxes bring together t...

prescriptions

05/06/2026

Why a simple collagen capsule is not enough to sustainably improve skin quality

Collagen has become the star ingredient in anti-aging food supplements. However, collagen synthesis is only one piece of a much more complex biolog...

dossiers

05/06/2026

Omega-3s and Cell Membranes: Why Membrane Fluidity Is Essential for Skin

The skin is a living ecosystem whose balance depends on the proper functioning of billions of cells. At the heart of this biological activity, cell...

prescriptions

04/06/2026

Collagen, Elastin, and the Extracellular Matrix: Preserving Skin Density

Collagen, Extracellular Matrix, and Skin: Understanding the Mechanisms of Skin Aging When talking about skin firmness or density, collagen is often...

rituel

01/05/2026

Targeted skincare: high-performance dermatological active ingredients to meet specific skin needs

Targeted treatments offer formulas that are ultra-concentrated in active ingredients, enabling faster and more effective action. With the right se...

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