Biologique Recherche

Sérum Yall~O2

The Biologique Recherche Sérum Yall~O2 is a fundamental hydration elixir formulated to replenish moisture and leave dehydrated skin feeling soft, supple and comforted. Its combination of high- and low-molecular-weight hyaluronic acids helps hydrate both the skin’s surface and upper epidermal layers, supporting lasting moisture retention. Enriched with a kale-derived concentrate, the serum helps maintain optimal hydration while creating a visibly plumper, smoother appearance. With continued use, skin looks more supple and feels softer, while the effects of dehydration appear diminished. Ideal for restoring a fresh, cushioned look, Sérum Yall~O2 delivers a deeply comforting boost of hydration without compromising the skin’s natural balance.

Contains Hyaluronic Acid

Suitable for dry skin types

Developed in a French laboratory, Biologique Recherche combines scientific expertise with high-performance formulations designed for optimal efficacy. Supported by advanced diagnostics, each formula is tailored to the skin's individual needs, delivering, visible, lasting results.

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Apply to the face, neck and décolleté in the morning and evening, at the end of your skincare routine or before foundation.

Avoid contact with eyes.

External use only.

Algin, Bentonite, Benzoic Acid, Brassica Oleracea Acephala Leaf Extract, Caesalpinia Spinosa Fruit Extract, Caprylyl Glycol, Citric Acid, Dicaprylyl Carbonate, Disodium Edta, Disodium Phosphate, Glycerin, Glyceryl Polyacrylate, Hydrolyzed Lupine Protein, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Isocetyl Stearate, Isohexadecane, Juglans Regia (Walnut) Seed Extract, Kappaphycus Alvarezii Extract, Maltodextrin, Methylpropanediol, Pentylene Glycol, Phenylpropanol, Polysorbate 60, Potassium Phosphate, Potassium Sorbate, Propanediol, Pullulan, Serine, Sodium Benzoate, Sodium Hyaluronate, Sodium Metabisulfite, Sorbic Acid., Sorbitan Isostearate, Succinic Acid, Tocopherol, Trehalose, Urea, Water (Aqua)
Warning: the lists of ingredients used in Biologique Recherche products are updated regularly. Before using a Biologique Recherche product, please read the list of ingredients on its packaging.