Joico’s K-PAK Color Therapy Luster Lock Spray is a dual-action leave-in treatment that nourishes and protects color-treated hair. Packed with African Manketti Oil, Argan Oil, and Keratin, it hydrates, repairs, and strengthens strands, while SmartRelease Technology continuously delivers essential nutrients to prevent damage and fading. Expect softer, shinier, more vibrant hair with every spray.