Journal

10 Posts

prescriptions

17/08/2026

How to prolong your tan? Advice from our dermatologist

Dr. Sylvie Peres, dermatologist and co-founder of Alaena, explains the mechanisms involved and shares essential tips for maintaining a brighter an...

prescriptions

15/08/2026

Sun acne: understanding and preventing post-summer acne breakouts

When exposed to the sun, the epidermis thickens in response to UV rays. This hyperkeratinization promotes the accumulation of dead cells and can cl...

prescriptions

01/07/2026

How to take care of your skin in summer? The face & body routine recommended by our dermatologist

Discover the ritual based on high-quality natural active ingredients formulated by Dr. Sylvie Peres

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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...

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...

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01/09/2025

5 steps to avoid rebound acne after summer

When exposed to the sun, the epidermis thickens to protect itself from UV rays. This leads to an obstruction of the sebaceous glands and sebum rete...