N°2 - The Eternal Serum

Deep hydration, absolute lightness: Repairing, Concentrated, Fluid

Step 2 of your 5-step One Paris beauty ritual

After preparing your skin with our toner, the Eternel Serum infuses it with targeted, long-lasting hydration. Its 100% natural formula combines the power of hyaluronic acid with fucus algae, renowned for its remineralizing and plumping properties.

Concentrated in hydrating and regenerating actives, this serum absorbs instantly thanks to its ultra-light, almost imperceptible texture, delivering an unparalleled “bare skin” feel. No greasy film — just a fresh sensation and immediate comfort.

100% natural origin ingredients
Hydrates, plumps, refines skin texture
Skin appears brighter, softer, and visibly smoother
Formulated and made in France

How to use: Apply 2–3 drops to the face and neck. Gently massage until fully absorbed. Use morning and evening.