Weak, thin hair and tend to fall.It cleanses the hair in a non-aggressive way, creating the conditions for a good absorption of the active ingredients in the other two phases of the treatment.It gives combiness and smoothness thanks to the delicate surfactants and to the active ingredients of the last generation.It increases the volume of hair by working on the deep structure of the roots, preventing it from breaking and weakening.Kopexil innovative molecule belonging to the DPO group Diamino Pyrimidine OxideMETHOD OF USEApply on cute and wet hair, massage gently and leave in position for 1 minute. Rinse with plenty of warm water.