Skip the line of messy, long tangles with the K18 Leave-In Molecular Repair Hair Mask 0.5 oz. Instantly repairing hair that has been treated badly or bleached out too much, this incredible formula is sure to become your favorite new ally in overpowering any damage two weeks of styling could do. Lift your locks back to life with this incredible at home formula that repairs fibers and strengthens them using patented peptides molecular repair ingredients. Restores your hair back to its original state Use after styling treatments, heat or bleach Works on all types of hair Minimizes the negatives associated with using harsh chemicals