Joico K-PAK Color Therapy Luster Lock Instant Shine & Repair Treatment 1.7 fl oz — Keratin & Argan Oil for Color-Treated Hair

Joico K-PAK Color Therapy Luster Lock is a single-step treatment that restores shine, reinforces fragile strands, and revives color-treated hair with keratin, argan oil, and African manketti oil.

This lightweight treatment is formulated for dyed hair that needs an immediate boost in vibrancy and strength without adding weight. Designed to deliver visible smoothness and mirror-like shine after one use, the formula blends proteins, nourishing oils, and a time-release delivery system to target damage from coloring and styling. It fits easily into weekly or on-demand routines when hair feels dull, brittle, or color-faded.

How does this treatment improve color vibrancy?

The formula supports color retention by shielding strands from environmental stressors and smoothing the hair surface so light reflects more evenly. Nutrient-rich oils and antioxidants work alongside protective keratin to help preserve pigment between salon visits.

• African manketti oil supplies vitamin E to guard against fading.
• Argan oil hydrates and enhances surface shine for brighter-looking color.
• Keratin helps repair compromises in the cuticle that trap and dull pigments.
• Smart Release Technology continually dispenses rosehip oil and keratin for ongoing protection.

Will it strengthen hair and reduce breakage?

Yes—this concentrated treatment is built to fortify weak, color-processed strands. Protein rebuilding agents and nourishing lipids work together to improve tensile strength and reduce combing-related breakage.

• Keratin replenishes lost proteins to make strands more resilient.
• Clinical-style formulation improves resistance to breakage during detangling and styling.
• Oils seal and soften cuticles to minimize friction and splitting.
• Regular use supports longer-lasting improvement in hair integrity.

How should I use it for best results?

Apply the treatment on clean, towel-dried hair and allow it to penetrate for several minutes for an intensive boost, or use a shorter application when pressed for time. It’s suitable as a weekly deep treatment or as-needed pick-me-up for lackluster color and shine.

• Use after shampooing on damp hair; distribute from mid-lengths to ends.
• Leave on for the recommended time (follow package directions) before rinsing thoroughly.
• For added protection, follow with your regular styling or heat protectant products.
• Can be used before special events for instant polish or weekly to maintain color health.

What key ingredients make a difference?

The treatment combines reparative protein with concentrated botanical oils and a continuous-release delivery system to address both immediate appearance and ongoing repair. Each component has a specific role in reinforcing, hydrating, and protecting color-treated hair.

• Keratin: targets and rebuilds damaged fiber to increase strength.
• Argan oil: supplies antioxidants and fatty acids for deep hydration and shine.
• African manketti oil: rich in vitamin E to help shield color from environmental fade.
• Smart Release Technology: provides progressive delivery of rosehip oil, arginine, and keratin for sustained benefits.

Who is this for? Joico K-PAK Color Therapy Luster Lock is aimed at anyone with color-treated hair seeking an immediate lift in shine and improved strand strength—ideal for clients who want salon-quality polish at home, people recovering from chemical services, or anyone who notices dulling and frequent breakage. It fits into weekly maintenance routines or as an on-demand finishing step for special occasions. The 1.7 fl oz size is convenient for travel, touch-ups between salon visits, or sampling before committing to larger bottles.

Ingredients

Water/Aqua/Eau, Butylene Glycol, Dimethicone, Sorbitol, Behenyl Alcohol, Behentrimonium Chloride, Stearyl Alcohol, Cetyl Alcohol, Glyceryl Oleate, Schinziophyton Rautanenii Kernel Oil, Pentapeptide-30 Cysteinamide, Pentapeptide-29 Cysteinamide, Tetrapeptide-29 Argininamide, Tetrapeptide-28 Argininamide, Keratin, Hydrolyzed Keratin, Cocodimonium Hydroxypropyl Hydrolyzed Keratin, Aleurites Moluccana Seed Oil, Arginine HCl, Hydrogenated Castor Oil/Sebacic Acid Copolymer, Argania Spinosa Kernel Oil, Psidium Guajava Fruit Extract, Thioctic Acid, Oenothera Biennis (Evening Primrose) Oil, Tocopheryl Acetate, Aloe Barbadensis Leaf Juice, Aminopropyl Dimethicone, Hydrolyzed Keratin PG-Propyl Methylsilanediol, Allantoin, Glycolipids, Phenoxyethanol, Stearyl Dihydroxypropyldimonium Oligosaccharides, Steartrimonium Chloride, Octyldodecanol, Propylene Glycol, PEG-6 Methyl Ether Dimethicone, PEG-90M, Citric Acid, Glycerin, Hyaluronic Acid, Polyquaternium-55, Polysilicone-19, Dipropylene Glycol, Butyl Methoxydibenzoylmethane, Isopropyl Alcohol, Sodium Ascorbyl Phosphate, Sodium Hydroxide, Alpha-Isomethyl Ionone, Butylphenyl Methylpropional, Fragrance/Parfum.