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 Secret Serum

Secret Serum

blog-le-grand-serum.jpg Biologique Recherche’s age-fighting Le Grand Sérum, which harnesses a potent mix of 27 active ingredients—from amino acids to wasabi extract— to illuminate, tone, and smooth complexions, is always in short supply, thanks to limited runs. But this holiday season the formula arrives in a limited-edition matte gold bottle. If it was any more exclusive, it might just be invisible (biologique-recherche.us; $480).

Photo: Marko Metzinger

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