The Smoothen S3 Hair Mask by System Professional is a una restructuring mask of 200ml, designed for dry and unruly hair. Thanks to the advanced formula with the smoothing complex, it intensely nourishes the hair fiber, providing lasting softness and shine. It reduces frizz and enhances manageability, giving a una mane that is disciplined and silky to the touch. Perfect for those who want a professional treatment that protects and enhances the natural balance of the hair, ensuring visible results from the very first applications.