(Smoothing Kit + Shampoo and Repairing Mask + Serum + Thermo-Protective Spray Impeccable, protected, and long-lasting smoothing. The smoothing kit relaxes the hair fiber, reduces volume and makes styling easier. Combined with the restorative range and treatments, it works wonders. The spray protects against thermal aggressions for a soft and silky smoothing and the serum adds a finish to your smoothing. ✨Result: Smooth, shiny, protected, and frizz-free hair.