This Kérastase Premiere Trio set is designed to address the needs of sensitized and damaged hair. It features a specialized regimen to gently cleanse, condition, and intensely repair the hair fiber from the inside out. Utilizing advanced formulation, this collection works to counteract the negative effects of hard water exposure, which can lead to dullness and breakage. The systematic use of the three components helps restore strength, fluidity, and overall hair vitality, leaving hair feeling renewed and protected.