Kérastase Resistance Masque Therapiste 500 ml. The Kérastase Resistance Masque Therapiste is an intensive reconstructing care cream/mask for rebuilding badly damaged and brittle hair. The hair is rebuilt and strengthened from the inside and the lengths and tips are repaired. It becomes more resistant and supple and is given a radiant shine. Resistance Therapiste - The new care program for an intensive reconstruction of structurally damaged and brittle hair. Application of The Kérastase Resistance Masque Therapiste: Apply to washed towel-dried hair. Work into the lengths and tips, leave to act for 5 minutes and rinse thoroughly. Tip: For optimal result, ensure even distribution in lengths and tips and let the product act. About Kérastase Resistance Therapiste: Structural damage is one of the world's biggest hair issues. Daily strain on the hair by blow-drying, smoothing, dyeing etc. damages the hair fiber and makes it brittle and lacklustre. A condition associated with strong, negative emotions for most women. Beautiful hair is the symbol of pure femininity. Kérastase Resistance helps to rebuild the weakened hair fiber from the inside through external influences to support its resistance and stability. Resistance Therapiste - The new care program for an intensive reconstruction of structurally damaged and brittle hair. Technology from Kérastase Resistance Therapiste: Kérastase combines the power of nature with the achievements of science and develops an innovative complex that builds and strengthens the hair fiber from the inside. FIBRA-KAPTM : 6 amino acids and 1 wheat protein compensate for the missing KAPs and stimulate synthesis. (KAP = Keratin Associated Proteins). KAPs connect the keratin in the hair and hold it together. The hair fiber consists of 50% KAPs. + Plant extract of Myrothamnus Flabelifollius: Awakens to new life after years without water