Strengthening mask for weak hair to strengthen the hair structure and support its length. The Kérastase Resistance Extentioniste hair mask contains Creatine R™ technology, which penetrates deep into the hair fiber and strengthens it along its entire length. Effectively supports the growth of slow growing hair. Increases breakage and breakage resistance and improves hair elasticity from root to tip. The hair is shiny, smooth and long.

Composition:
keratin – strengthens the internal structure of the hair fibers
ceramides – regenerate and smooth the surface of the hair
maleic acid – effectively strengthens the hair thread the skin

Usage:
1. Apply to washed, damp hair, focus on length
2. Leave on for 5-10 minutes
3. Then rinse again

500 ml