Joico K-PAK Color Therapy Luster Lock Instant Shine & Repair Treatment — 1.7 fl oz, keratin & argan oil

Joico K-PAK Color Therapy Luster Lock is a concentrated instant treatment that restores shine, strengthens color-treated hair, and reduces breakage in a single use.

This salon-grade leave-in or rinse-out treatment delivers visible gloss and improved manageability for color-treated hair. Formulated with keratin to rebuild protein, argan and manketti oils to nourish and protect, and a smart-release liposome system to keep active ingredients working over time, it targets weakened, faded, or brittle strands without weighing hair down. The convenient 1.7 fl oz size is ideal for at-home refreshes or travel, producing salon-finished results after one application.

How quickly will I see improved shine and color vibrancy?

Most users notice enhanced sheen and brighter-looking color immediately after rinsing or leaving the product in as directed. The lightweight oils smooth the hair surface while the keratin helps reflect light, making color appear richer and more luminous.

• Instant mirror-like shine after one treatment
• Formulated for color-treated hair to reduce fading
• Works on damp hair before styling for best reflectivity

Can this treatment reduce breakage and repair damaged strands?

The formula contains keratin protein that replenishes what hair loses through chemical and thermal damage, helping strands resist combing breakage. Smart-release technology continues delivering keratin, arginine and rosehip oil over time to support ongoing resilience.

• Keratin helps rebuild and fortify weakened fiber
• Shown to make hair up to nine times stronger against combing breakage*
• Continuous-release liposomes feed reparative ingredients gradually

What key ingredients are in the treatment and what do they do?

Joico blends nourishing oils with structural protein and protective extracts to address multiple concerns at once. Each component targets a different mechanism—protection from environmental fade, moisture and lipid replenishment, and protein reconstruction—so color-treated hair looks healthier and holds color longer.

• African manketti oil: natural source of vitamin E to help shield color from environmental stress
• Argan oil: rich in antioxidants and fatty acids for deep hydration and smoothness
• Keratin: a protein that helps replace lost structure and strengthen strands
• Smart Release Technology: continuous delivery of rosehip oil, arginine, and keratin

How should I use this product for best results?

Use as a targeted repair treatment on damp, towel-dried hair after shampooing. Apply mid-lengths to ends, leave in for the recommended time (or use as a leave-in if specified on the label), then style as usual to reveal immediate shine and improved manageability.

• Apply to clean, damp hair—focus on damaged mid-lengths and ends
• Rinse or leave in according to preference and product directions
• Follow with styling tools; protection and added strength reduce breakage from heat

Who is this for: Joico K-PAK Color Therapy Luster Lock is designed for anyone with color-treated, chemically processed, or visibly weakened hair seeking instant gloss, reduced breakage, and improved color longevity. It suits clients who want a salon-level finish at home, frequent travelers who need a compact repair option, and stylists looking for a finishing boost that enhances vibrancy and resilience without heaviness.

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.