Kérastase Resistance Serum Thérapiste

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Sérum Thérapiste is a double-action hair serum for very-damaged and over-processed hair. Its innovative formula associates a repairing cream and a binding serum for a thermo-protection reaching up to 230°C. Repairing the hair fibre instantly, it reinforces and smoothes the surface of the hair fibre. It also facilitates and makes blow-dry two times faster, sealing the ends of the hair to prevent split ends.


  • SP94: A powerful gluco-peptide that enhances hair fibre’s resilience and strength.
  • 6 Amino Acids: Attach to damaged areas of the hair to boost the mass of the hair.
  • Wheat Protein Derivative: Restores strength, uniformity and silky smoothness.
  • Resurrection Sap: Sourced from the Myrothamnus Flabellifolia plant, helps to preserve the structure of the hair fibre.


Give your hair a second life. Kérastase Résistance rebuilds the internal substance of hair weakened by chemical or mechanical agressions to restore its strength and solidity. Force Architecte is dedicated for damaged hair (erosion level 1-2), while Thérapiste (erosion level 3-4) is designed for very damaged and over-processed hair. Hair is restored and the quality of the fibre is like new.


Apply 1-2 pumps to washed and towel-dried hair. Massage onto lengths and ends. Proceed to blowdry. Leave in. Can be used in construction on wet hair and also as a finishing touch on dry hair.

A skin patch test before use is recommended.

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