Serum Yall~O2
Serum Yall~O2
Biologique RechercheBenefits
The Biologique Recherche Serum Yall O2 is a rich face oil that plumps, hydrates, and regenerates the skin. It combats dehydration and signs of ageing by enhancing skin fullness leaving you with a more energised and brighter complexion.
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The Biologique Recherche Serum Yall O2 is a rich face oil that plumps, hydrates, and regenerates the skin. It combats dehydration and signs of ageing by enhancing skin fullness leaving you with a more energised and brighter complexion.
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30 ml
Unit price
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More Info
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Who it is for
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How to Apply
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Ingredients
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Smell & Texture
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About the Brand
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Who it is for
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How to Apply
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Ingredients
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Smell & Texture
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About the Brand
Who it is for
For you if
Not For you if
How to Apply
Apply a few drops of Sérum Yall~02 to the entire face, neck and décolleté in the morning and/or in the evening. Alternatively, a few drops can also be mixed into your face cream.
Ingredients
Smell & Texture
About the Brand
Founded in Paris in the late 1970s by biologist Yvan Allouche and physiotherapist Josette Allouche, Biologique Recherche began as a laboratory for bespoke, high-performance formulas for elite skin professionals. Their medical-grade precision and artisanal formulation, paired with consummate savoir-faire, underpin their reputation for outstanding, clinically proven results.
Biologique Recherche treats skin according to its Skin Instant©, the skin’s precise, evolving state. Each formula is loaded with active ingredients in exceptional concentrations, then prescribed to address those real-time needs. This precision approach corrects imbalances, restores function, and delivers visible, lasting transformation.
Cold-processed actives are the core of Biologique Recherche. Formulated at 18–25°C, this method avoids the 70°C heat of standard processing that breaks down actives. Botanical, marine, and biotechnological extracts stay intact for higher absorption, stronger repair, and better tolerance. Antioxidants, peptides, and enzymes remain stable, ensuring consistent, visible results.
Biologique Recherche treats skin according to its Skin Instant©, the skin’s precise, evolving state. Each formula is loaded with active ingredients in exceptional concentrations, then prescribed to address those real-time needs. This precision approach corrects imbalances, restores function, and delivers visible, lasting transformation.
Cold-processed actives are the core of Biologique Recherche. Formulated at 18–25°C, this method avoids the 70°C heat of standard processing that breaks down actives. Botanical, marine, and biotechnological extracts stay intact for higher absorption, stronger repair, and better tolerance. Antioxidants, peptides, and enzymes remain stable, ensuring consistent, visible results.
The Benefits
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Nourishing
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Hydrating
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Brightening (Oxygenation)
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Plumping
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Anti-Wrinkle
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Firming
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Lifting
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Repairing
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Antioxidant
Nourishing
Hydrating
Brightening (Oxygenation)
Plumping
Anti-Wrinkle
Firming
Lifting
Repairing
Antioxidant
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Nourishing
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Hydrating
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Brightening (Oxygenation)
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Plumping
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Anti-Wrinkle
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Firming
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Lifting
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Repairing
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Antioxidant
Active Ingredients
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Low Molecular Weight Hyaluronic Acid (Sodium Hyaluronate)
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Polysaccharides
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Biologique Recherche Oxygenating Complex
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Walnut Extract
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Chaperone Proteins
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High Moleclular Weight Hyaluronic Acid (Hyaluronic Acid)
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Red Seaweed & Tara Fruit Extract Complex
Low Molecular Weight Hyaluronic Acid (Sodium Hyaluronate)
Polysaccharides
Biologique Recherche Oxygenating Complex
Walnut Extract
Chaperone Proteins
High Moleclular Weight Hyaluronic Acid (Hyaluronic Acid)
Red Seaweed & Tara Fruit Extract Complex
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Low Molecular Weight Hyaluronic Acid (Sodium Hyaluronate)
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Polysaccharides
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Biologique Recherche Oxygenating Complex
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Walnut Extract
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Chaperone Proteins
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High Moleclular Weight Hyaluronic Acid (Hyaluronic Acid)
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Red Seaweed & Tara Fruit Extract Complex
Spotlight
The Biologique Recherche Proprietary Oxygenating Complex
Clinical Proofs
Clinical Proofs
Why I love it
X Natalie K-F
Founder, Embassy of Beauty
Frequently Asked Questions





