Joico K-PAK Color Therapy Luster Lock Instant Shine & Repair Treatment 8.5 oz — Keratin & Argan Oil

Joico K-PAK Color Therapy Luster Lock is an instant shine and repair treatment formulated to restore vibrancy and strength to color-treated hair while sealing and protecting the cuticle.

This lightweight treatment blends keratin, argan oil, and African manketti oil with Joico’s SmartRelease technology to boost shine, reduce breakage, and help protect colored hair from fading and daily styling stress. It’s designed to be used when hair needs an immediate glossy finish and extra resilience without weighing strands down. The formula targets weakened areas with a time-released delivery system so benefits continue after application.

How does Luster Lock restore shine and reduce visible damage?

The formula pairs restorative keratin protein with deeply nourishing oils to smooth the cuticle and reflect light, producing an immediate glossy effect. The treatment also supports strand strength to minimize combing-related breakage.

• Instant surface-smoothing for enhanced light reflection and sheen
• Keratin protein seeks out and helps repair weakened fiber
• Leaves hair looking healthier and more polished after one use
• Lightweight finish avoids greasy buildup or dulling

Will this protect my color and prevent fading?

Yes—ingredients were selected to help maintain color vibrancy. African manketti oil, a rich source of Vitamin E, provides environmental protection that helps shield color, while SmartRelease technology continues delivering actives that defend the hair over time.

• African manketti oil helps protect against environmental fade
• SmartRelease releases rosehip oil, arginine, and keratin gradually
• Argan oil adds antioxidant support and hydration to reduce dulling

How does it strengthen hair and reduce breakage?

Keratin rebuilds and reinforces weakened fibers, while hydrating oils restore pliability so hair resists snapping during brushing. In consumer testing the technology improved combing strength up to 9X and reduced breakage by up to 89% when used as directed.

• Keratin replenishes protein lost from coloring and styling
• Argan and rosehip oils increase flexibility and moisture retention
• Targets breakage-prone zones for measurable resilience

How should I use this treatment for best results?

Apply to towel-dried hair after shampooing, focusing on mid-lengths to ends. Leave on briefly or follow product directions, then style as usual; repeat as needed to maintain shine and strength between salon visits.

• Use on color-treated hair after cleansing for instant gloss
• Concentrate on damaged or porous areas for maximum repair
• Compatible with regular styling—won’t weigh hair down

Who is this for? Joico K-PAK Color Therapy Luster Lock is formulated for people with color-treated, highlighted, or chemically processed hair who want immediate shine, color protection, and improved resistance to breakage. It’s suited to anyone seeking a lightweight, salon-quality finishing and repair step—especially those who style frequently or need extra protection between color appointments.

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.