Biologique Recherche Serum Yall O2 is an intensive hydrating serum formulated to replenish moisture, relieve dryness and improve skin comfort. Enriched with hyaluronic acid and antioxidant-rich plant extracts, it helps maintain hydration, support skin resilience and leave the complexion soft, supple and radiant.
Its lightweight, fast-absorbing texture layers easily under other skincare products.
Leaves skin plump, comfortable and radiant
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Biologique Recherche - Serum - Yall O2
The Science
Best For:
Dehydrated Skin
All skin types
Instructions For Use
- Apply 4 to 5 drops of Sérum Yall~O₂ to the face, neck and décolleté morning and/or night after your other treatments.
- This product is applied as the last step in your Biologique Recherche program.
About Biologique Recherche
Discover Biologique Recherche at Living Beauty. This iconic French brand delivers clinical, results-driven formulas powered by high-concentration actives that estheticians and dermatologists trust worldwide.
There’s a certain magic to the brand, from its unmatched quality to the way it transforms skin. Its Skin Instant™ methodology redefined our approach to skincare, proving that skin is constantly evolving and should be treated accordingly.
Experience it yourself with a personalized consultation and facial, or discover the perfect home-care routine tailored to you.