K18 Leave-In Molecular Repair Hair Mask, 50ml

K18 Leave-In Molecular Repair Hair Mask, 50ml. 4-minute leave-in treatment to clinically reverse hair damage. An at-home leave-in treatment infused with our patented K18Peptide that works on a molecular level to repair even the most extreme damage, reversing hair to its most youthful, healthy state—leaving strands soft and strong. REPAIRS DAMAGE CAUSED BY: Bleach + Color, Heat & Chemical Services IN the shower: Shampoo, do not condition. OUT of the shower: #1 Towel dry thoroughly. #2 Begin with 1 pump of the K18 Mask and add more as needed depending on the length, thickness, and condition. #3 Work evenly into hair from ends to roots, one pump at a time. #4 Let sit for 4 minutes to activate. #5 Do NOT rinse out. #6 Style as usual.