An intensive reinforcing booster for damaged, over-processed hair. Boasts a powerful formula isolated in its purest and most concentrated state. Contains active ingredients freshly fused to create a customized in-salon treaent. Helps instantly repair and reconstruct hair in-depth. Delivers visible, instant and lasting transformation in just five minutes. Works together with other Concenters to create various personalized combinations. Hair appears stronger, more vigorous and resistant to breakage.