Reaction Treatment is for damaged hair. Your hair damaged by chemicals or straightening? Do you have problems with the hairdressing techniques? We recommend a quick and easy reconditioning treatment. It is specially designed to revitalize dyed, discolored, tired, or broken, damaged hair, which breaks at the brush, difficult to handle, with split ends. . In addition, our lab technicians and professional cosmetologists constantly test the efficiency, safety and performance of the after-care products under the highest quality control standards in the labs as well as in actual, professional salons.