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Serum Yall-O2

Serum Yall-O2

Face Care

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Biologique Recherche Serum Yall-O2 is an innovative formulation based on nano-technology and oxygenating vectors to provide intensive treatment and instant effects which are prolonged with regular application

How to use

1. Apply 3 drops, in the morning and/or evening, over the face, neck and décolleté.
2. Perform light ascending massage until the product has completely been absorbed.


Water (Aqua), Glycerin, Methylpropanediol, Isocetyl Stearate, Dicaprylyl Carbonate, Maltodextrin, Perfluorodecalin, Bentonite, Hydrolyzed Lupine Protein, Caesapinia Spinosa Fruit Extract, Kappaphycus Alvarezii Extract, Juglans Regia (Walnut) Shell Extract, Coco-Caprylate, Xylitylglucoside, Punica Granatum Fruit Extract, Lilium Candidum Flower Extract, Glycine Soja (Soybean) Oil, Sodium Hyaluronate, Serine, Citric Acid, Algin, Glyceryl Polyacrylate, Pullulan, Tocopherol, Trehalose, Pentylene Glycol, Sorbitan Isostearate, Succinic Acid, Hydroxyethyl Acrylate/Sodium Acryloyldimethyl Taurate Copolymer, Urea, Isohexadecane, Polyperfluoromethylisopropyl Ether, Poloxamer 188, Polysorbate 60, Disodium Phosphate, Potassium Phosphate, Caprylyl Glycol, Phenylpropanol, Phenoxyethanol, Sodium Benzoate, Benzoic Acid, Sodium Metabisulfite, Sorbic Acid.

Application Area

Face, neck and décolleté


  • Replenishes the facial volumes and
    the lips
  • Regenerates and restores the
    elasticity of the epidermis
  • Forms a protective film on the skin
  • Restores the vital hydration of the

Item type

Finishing Serums

Skin Concern

Dehydrated and delipidated

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