Kérastase Symbiose Serum Cellulaire Nuit 90ml

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Symbiose Sérum Nuit Intensif by Kérastase is a night serum formulated with Salicylic Acid, Bifidus and Piroctone Olamine for sensitive scalps prone to dandruff.

This non-sticky, non-greasy formula has a translucent water-like texture combined with a luxurious fine fragrance. It is sulfate-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. 

  • Delivers up to 7 weeks of anti-dandruff efficacy*​
  • Scalp barrier is preserved*​
  • Soothes scalp irritations & discomforts, scalp is less sensitive (81% consumers agree)**​
  • Scalp looks healthier and stronger (94% consumers agree)**​

*Clinical study on 37 people, 4 weeks of use​
**Consumer tests​


  • Salicylic Acid: Helps dissolve flakes and acts on consequences of dandruff.
  • Bifidus: Helps maintain a healthy scalp ecosystem.
  • Piroctone Olamine: Reduces the proliferation of yeats of the genus Malassezia spp. involved in the process of excessive desquamation of the scalp and thus formation of dandruff.


  • Use at least 3 times a week before going to bed, during a 4-week period. Apply 4 doses on dry or towel-dried scalp, section by section. 1 dose = 1 pipette until the mark.
  • Spread it over the entire scalp. Massage generously with your fingertips in circles.
  • Do not rinse. Keep overnight.

Combine with Bain Crème Apaisant for the best results.


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