Biologique Recherche - Serum - Yall O2 is an intensive hydrating serum formulated to rapidly restore moisture and improve overall skin comfort. Designed for all skin types, this powerful serum targets areas that need hydration most, helping to maintain healthy skin function while leaving the complexion soft, supple, and revitalized.
Enriched with ultra-high concentrations of hyaluronic acid, Serum - Yall O2 provides deep, long-lasting hydration that penetrates the skin’s surface for instant relief from dryness and tightness. Antioxidant-rich plant extracts work in synergy to protect against environmental stressors, support skin resilience, and promote a healthier, more radiant appearance.
The lightweight, fast-absorbing texture of Biologique Recherche - Serum - Yall O2 allows it to be layered under moisturizers or other skincare treatments without feeling heavy or sticky. Regular use enhances skin elasticity, balances moisture levels, and restores comfort to dehydrated or stressed skin.
Ideal for anyone seeking a professional-grade hydrating serum, Biologique Recherche - Serum ~ Yall O2 delivers visible results and an elevated skincare experience. Incorporate it into your daily routine to hydrate, soothe, and protect your skin while maintaining a luminous, healthy-looking complexion
Leaves skin plump, comfortable and radiant
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Biologique Recherche - Serum - Yall O2
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.