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to optimise and reinforce the length of damaged hairKerastase png

Kérastase Resistance Serum Extentioniste

A strengthening serum for damaged hair seeking healthier-looking lengths.

Apply maximum 3 pipettes of Serum Extentioniste along all the scalp, once or twice a week.

  • Deliver a detangling power on lengths
  • Rebuilds natural strength of the hair fiber
  • Increases elasticity & strength from root to tip
  • Provides nourishing properties from lentghs to ends
  • Seals hair cuticles
  • Purifies and stimulates a healthy scalp environment

Order before 12pm for same day shipping.

Kerastase resistance serum extentioniste 50ml
to optimise and reinforce the length of damaged hairResistance Serum Extentioniste


A fortifying serum that uses powerful Amino acids & Ceramides to improve elasticity from root to tip, whilst conditioning the hair.

Targeting weakened and brittle strands, the silky formula helps to rebuild the hair’s internal structure to make it more resistant to breakage, whilst a blend of Lipids creates a smooth and shiny surface.

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