Kristina Decourt

Le Grand Sèrum

Le Grand Serum has 27 active ingredients. It is a sublimating elixir, a genuine concentrate of beauty whose action grows more intense with each consecutive application. Recommended for all Skin Instant.

  • Prevent epidermal ageing.
  • Protect the skin against environmental aggression (sun, stress, pollution, etc.)
  • Provides the skin with a genuine boost of radiance.
  • Tones revitalize, moisturizes and soothe the skin.
  • Leaves the skin plumped up, toned and glowing.



Apply a few drops of Le Grand Sèrum to clean skin all over the face, neck and decollete with light upward strokes. Use mornings and/or evening. This product is intended as a final touch of your Biologique Recherche skincare program.

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