This professional-grade concentrated pretreatment from the Series Expert Absolut Repair Molecular line is engineered for intensive repair of severely damaged hair. It utilizes advanced molecular technology designed to penetrate the hair fiber, targeting structural weaknesses and rebuilding strength from within. This formula prepares the hair for subsequent treatments, optimizing the absorption and efficacy of the entire hair care routine. Ideal for use in professional settings or for dedicated at-home intensive care regimens, it lays the foundation for visibly healthier, stronger hair.