The L'Oreal Dulcia Advanced Neutraliser is designed for use following a permanent wave or chemical straightening process using the Dulcia Advanced system. This product stabilizes the hair structure, helping to set the new shape and providing long-lasting results. It is formulated to work synergistically with the waving or straightening lotions, ensuring the integrity of the hair fiber is maintained while locking in the style. Proper neutralization is key to achieving consistent and predictable results from chemical hair restructuring treatments.