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Serum Yall~O2 1 oz.

Prices as of September 26, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Bloomingdale's price tracker

14-day low
$320.00
Sep 13 · Bloomingdale's
Best price
$320.00
−0% vs high
14-day high
$320.00
All stores
$320$320$320
Sep 13Sep 26
  • Bloomingdale's
Lowest in 14 days: $320.00 at Bloomingdale's. Highest: $320.00. Current best is 0% below the 14-day high.

About this product

Biologique Recherche Serum Yall~O2 is a hydrating facial serum formulated for dry skin. It combines high- and low-molecular-weight hyaluronic acids with antioxidant actives to deliver deep moisture, improve skin plumpness, and reduce dehydration. The serum works on the skin's surface and in the upper epidermis to enhance softness and comfort. Suitable for use morning and night, it supports skin hydration visibly over time. Made in France, it comes in a 1 oz bottle.

  • Made in France
  • For dry skin
  • Hyaluronic acid blend
  • Antioxidant actives
  • Morning and evening use

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Serum Yall~O2 1 oz. — Price Tracker & History