The K18 Client Mask Pack 5 x 5 ml by K18 is an innovative regenerating treatment designed to repair damage to the hair fiber at the molecular level. Thanks to its exclusive formula with bioactive peptide, it penetrates deeply to strengthen, restructure, and restore the hair's elasticity, providing lasting softness and shine. Perfect for hair stressed by coloring, chemical treatments, or external agents, this pack guarantees una effective professional care and visible results from the very first application.