K18 Professional Molecular Repair Hair Mask — White

K18's professional molecular repair hair mask harnesses biomimetic hairscience to restore damaged strands. The formula uses patented bioengineered proteins to rebuild broken disulfide bonds within the hair cortex. Applied as a leave-in or rinse-out treatment, it penetrates to strengthen weakened fiber from within. Ideal for chemically treated, heat-styled, or compromised hair seeking intensive repair and resilience.