Kérastase Resistance Extentioniste Mask Extensio 200 ml

Mask for strengthening hair to support their length. Strengthens and strengthens the hair fiber to reduce the breakage of lengths. 

Main active ingredients:

Keratin - strengthens the internal structure of hair fibers.
Ceramides - regenerate and smooth the surface of the hair.
Maleic acid - effectively strengthens the hair fiber.