Kérastase Symbiose Intensive Anti-Dandruff Cellular Night Serum for sensitive scalp prone to dandruff. Overnight hair treatment serum that helps to eliminates dandruff at the source.  Formulated with Salicylic Acid, Piroctone Olamine and Bifidus for visibly results. This non-sticky and non-greasy formula soothes scalp irritations & discomfort for less sensitivity* of the scalp. With anti-dandruff efficacy for up to 3 weeks*.

Benefits:

• Anti-dandruff overnight treatment serum
• Ideal for a sensitive scalp, prone to dandruff
• Eliminates dandruff at the source
• Visible results
• Translucent to milky serum gel texture combined with a luxurious fine fragrance

*After 3 uses per week for 4 weeks. Purifying Anti-Dandruff Cellular Shampoo, Moisturising Anti-Dandruff Cellular Shampoo or Intensive Anti-Dandruff Cellular Night Serum

• Up to 97% more hydration*
• Up to 99% less breakage*

*Instrumental test results" "Use at least 3 times a week before going to bed, during a 4-week period.