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  • Serum Yall-O2

    Moisturizing - Smoothing - Plumping

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    For Clinical Use Our lip care is designed to be used on its own or in combination with aesthetic treatments to prolong or enhance their effects.
    Beautifully Presented Beauty is the essence of our brand. Our transformative formulas come beautifully and sustainably packaged. They elegantly match your designer purse.
    Sustainable and Responsible Our commitment to clean beauty includes using carefully sourced ingredients, and always aiming to reduce our environmental footprint.
    Serving Our Community In caring for our community of lip aesthetic connoisseurs, we offer free shipping on all orders over $50 and chat support led by beauty experts.
    Aida says: One of the best serums for plumping, rejuvenating and lifting skin. A finishing serum is important for sealing the serums and cream underneath and protecting skin from environmental damage. You can also incorporate the finishing serum into your makeup by mixing it foundation or any tinted makeup.

    Sérum Yall-O2: Plumping and Oxygenating Serum for Volume and Hydration

    Sérum Yall-O2 by Biologique Recherche is an advanced finishing serum designed to visibly plump, hydrate, and smooth the skin. Infused with oxygenating actives and high molecular weight hyaluronic acid, it restores volume to hollow areas, softens fine lines, and gives the complexion a refreshed, youthful glow—making it ideal for mature or dehydrated skin.

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    • Plump, Oxygenate, and Illuminate

      Formulated for Dehydrated, Slackened, or Volume-Depleted Skin

      Sérum Yall-O2 targets areas where volume is lost—cheeks, eye contour, lips—bringing hydration and bounce back to the skin. It supports elasticity and enhances skin’s oxygenation, giving a visibly smoother, fuller, and more vibrant appearance with each use.

      Key Benefits:

      • Hydrates Intensely: Infuses skin with lasting moisture to restore suppleness.
      • Restores Volume: Visibly plumps hollowed areas and softens fine lines.
      • Boosts Oxygenation: Helps revitalize tired or asphyxiated skin.
      • Improves Elasticity: Supports structural firmness and smooth texture.
      • Finishing Touch: Leaves skin silky, radiant, and refined—perfect before makeup.

      Why Choose Sérum Yall-O2?

      This high-performance serum offers both immediate glow and long-term plumping benefits. It’s perfect for dull, dry, or aging skin that has lost firmness or looks tired—especially in harsh climates or during seasonal changes.

    • How to Use:

      • Step 1: Apply a few drops to the face, neck, and décolleté as the last step in your skincare routine.
      • Step 2: Pat gently into the skin, focusing on areas needing volume (cheekbones, under-eyes, nasolabial folds).
      • Step 3: Use morning and/or evening for a plumping, finishing effect.
    • Key Ingredients:

      • Hyaluronic Acid: Provides immediate and long-term hydration and volume.
      • Biologique Recherche Oxygenating Complex: Promotes skin cell respiration and radiance.
      • Silk Extract: Softens and enhances skin texture.
      • Lactic Acid Derivative: Gently exfoliates and improves brightness.
      • Plant-Based Moisturizers: Enhance softness and comfort without heaviness.
    • What to Expect:

      Skin looks immediately plumper, more luminous, and youthful. With consistent use, the appearance of fine lines is reduced, hydration is improved, and facial contours appear more lifted and defined. A must-have for restoring glow and volume without invasive treatments.

    Conclusion:

    Sérum Yall-O2 delivers a powerful blend of hydration, oxygenation, and plumping care—all in one elegant formula. Ideal as a final step or makeup primer, it leaves your skin radiant, smooth, and full of life.


    Customer Reviews

    Based on 20 reviews
    85%
    (17)
    5%
    (1)
    5%
    (1)
    0%
    (0)
    5%
    (1)
    E
    E.D. (Meriden, US)

    I never received the product.

    W
    Wilnelia Marrero Rivera
    Magic bottle

    I’ve been using Serum Yall-O2 consistently for about a year and can definitely see positive changes to my complexion. Glad to have found Aida’s shop, she is amazing!

    Y
    Yuliia Pohrebna (Kirkland, US)

    Glow skin after it

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