K18 Professional Molecular Repair Hair Mask is for use after chemical services and as a treatment for damaged hair. It reverses hair damage and restores strength for smooth, soft, bouncy hair. Disclaimer: is committed to offering quality products and services at an exceptional value. To serve this goal, these products were not purchased directly from the manufacturer or its authorized distributor but from a third-party dealer with strict controls to verify authenticity and quality. Some manufacturers limit or exclude their warranties on these products. However, these items remain fully covered by 's 100% Merchandise Satisfaction...