Kérastase Ciment Thermique is the first heat-activated reconstructor milk for weakened hair. Thermo-activation specially developed to use with heat, increases the effects of the product by sealing the reconstructing active ingredients in the fibres. Vita-Ciment recreates the intercellular cement, strengthening the hair fibre from the inside. // Also contains Vita-Topseal which is a resurfacing active ingredient and reinforces the natural external protective layer. Strengthens the hair fibre internally and protects the surface of the hair. // Smoothes hair from root to tip leaving the hair firm, supple and energised.