WHAT IT IS K-PAK Color Therapy Luster Lock is a color-safe treatment that makes hair stronger, healthier and shinier looking with each use. Bio-Advanced Peptide Complex: These optimized proteins actively “seek out” and lock in on damaged sites, providing around-the-clock hair repair and protection. QuadraBond Peptide Complex: Featherweight, quick-absorbing African Manketti and Argan oils replenish lost lipids, while our state-of-the-art “super” polymers resurface hair’s cuticle and create a lasting seal that locks in vibrant color and gorgeous mirror-like shine. WHAT IT DOES Think your color-treated tresses are so parched, lackluster and brittle that only a pair of scissors and a pixie cut will do? Meet your miracle fix: Just one treatment with K-PAK Color Therapy Luster Lock leaves locks glowing with lustworthy shine and out-of-this world vibrancy, while seriously boosting your mane’s strength to make it 9x more resistant to breakage!Against combing breakage on damaged hair vs. a non-conditioning shampoo. HOW TO USE For Fine Hair: Apply Luster Lock to damp, freshly shampooed locks from mid-shaft to ends. Time for 1 to 3 minutes, and then rinse thoroughly with warm water. For Coarse Hair: Apply Luster Lock to damp, freshly shampooed locks from scalp to ends. Time for up to 5 minutes, and then rinse thoroughly with warm water.