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Biologique Recherche

Serum Yall-O2

  • This serum stimulates the fullness of skin and lips, combating the effects of dehydration and aging, while reducing the size and depth of lines and wrinkles.
    It reinforces skin’s elasticity and forms a protect layer over the skin.

    • Plumping effect on the fullness of the face and lips.
    • Revitalizes and reinforces the skin’s elasticity.
    • Forms a protective film over the skin.
    • Promotes optimal skin hydration levels.
    • Increases and restructures the fullness of the skin and lips.
    • Major weapon against dehydration and aging, highly targeted action.
    • Reduces the size and depth of lines and wrinkles and restores the skin’s smooth appearance.
    • Leaves the skin visibly refreshed and regenerated.
    Note :
    - An alternative to microinjections.
  • Apply to the whole face, neck and cleavage. Apply a few drops of Sérum Yall~O2 to the eyes contour, the whole face, neck, cleavage and lips in the morning and/or evening.
    This product is applied as the finishing touch to your Biologique Recherche skin care program.
  • Antioxidiant and protective agent:
    Pomegranate Extract.
    Regenerating and healing agents:
    Hibiscus and Lily Extracts.
    Hydrating agents:
    Hyaluronic Acid, 10% Marine Collagen, Natural Moisturizing Factors.
    Oxygenating agent:
    Specific BR Oxygenating Complex - Nanotechnology formulation.

Customer Reviews

Based on 3 reviews
Great product

Finishes my am routine!


Serum Yall-O2

Disappearing Wrinkles

I truly believe my use of a full regimen of Biologique Recherche, including Serum Yall-O2 is the reason a friend recently inquired whether I had had laser treatments around eyes and lips. She was concerned about lines around her lips and I encouraged her to try Biologique Recherche before doing anything else. At age 70, I have tried many skin care lines over the years. These products are the very best.


Customers rate us 4.9/5 based on 414 reviews.