Kerastase Resistance Masque Extentioniste 200mlDescription Restorative hair mask for brittle hair Penetrates hair to treat and restore strands to lustrous health Hair fiber is sealed, coated and repaired for a smooth touch Prevents hair breakage and split ends Main Ingredients Creatine R reinforces internal structure of hair fiber Ceramides enhances shine, promotes elasticity and moisture retention and strengthens hair Maleic Acid reinforces, seals and coats hair cuticles How to use? Apply to wet