Symbiose Sérum Nuit Intensif

Intensive Overnight Serum

Symbiose Sérum Nuit Intensif by Kérastase is a night serum for sensitive scalps prone to dandruff that should be combined only with Bain Crème Apaisant for the best results. It is sulphate-free, silicone-free, and paraben-free. The serum is enriched with salicylic acid for a breathable scalp and Bifidus for a healthier scalp and to remove loose dandruff flakes in the hair.

This non-sticky and non-greasy formula has a translucent water-like texture combined with a luxurious fine fragrance.


Serum Nuit Intensif is an intensive night serum for sensitive scalps prone to dandruff that should be combined with Bain Crème Apaisant only for the best results:

  • Hair is stronger, shinier, and smoother*
  • Reduces hair breakage by 44%*
  • Reinforces and strengthens hair*
  • Hair is moisturized, hydrated, and conditioned*

Tested under dermatological control
Suitable for sensitive scalps
Tolerance approved

*After application of Serum Nuit Intensif & Bain Crème Apaisant vs. non-conditioning shampoo.


  1. Apply 3 to 4 doses on the dry or wet scalp, section by section. (1 dose = 1 pipette until the mark).

  2. Massage gently.

  3. Do not rinse and keep overnight.
*Use at least 3 times a week before going to bed, during a 4-week period.



  • Salicylic Acid
    The go-to ingredient for scalp exfoliators is instantly peeling dead skin off the scalp and removing loose dandruff flakes. Thanks to its exfoliating action, salicylic acid participates in the cleansing of sensitive scalps.
  • Bifidus
    This active is a bacterial prebiotic fraction, acting as a nutrient that fosters the multiplication of helpful bacteria known to have benefits for dry scalps. Bifidus prebiotic fraction is known to favour a healthy scalp ecosystem. It helps to strengthen the scalp's skin barrier.