Extentioniste Masque

Kérastase Resistance Masque Extentioniste — a deeply restorative and strengthening Hair Masks designed for damaged, tangled, and long hair. It is ideal for hair that frequently breaks or feels weak. The mask penetrates the hair fiber, repairing weakened strands and strengthening hair along its entire length, leaving it healthy and collagen-rich in appearance.

It contains Creatine R and Maleic Acid, which help increase hair strength and provide strict protection against breakage. The mask seals split ends, prevents further damage, and supports hair growth.