The Nirvel Professional Keratin Post Shampoo is formulated to provide intensive care following keratin treatments or for regular use to maintain hair health and smoothness. This specialized shampoo works to gently cleanse the hair while replenishing lost proteins, enhancing the structural integrity of the hair fiber. It helps to seal the cuticle, thereby extending the vibrant look of processed hair and providing superior manageability for all hair types seeking intensive revitalization.