Joico K-PAK Color Therapy Luster Lock Instant Shine & Repair Treatment — 16.9 fl oz, Keratin & Argan Oil for Color-Treated Hair

This concentrated treatment blends keratin, argan oil, and African manketti oil with Joico’s Smart Release Technology to smooth the hair surface, replenish protein, and protect color from environmental fade. Designed for use after shampooing or as an intensive weekly boost, the formula helps reduce breakage during combing and instantly lifts shine for an improved finish without weighing hair down.

How does Luster Lock improve shine and manageability?

The formula seals the hair cuticle and infuses conditioning oils and proteins that reflect light, producing a high-gloss finish. In addition to visible shine, hair feels softer and detangles more easily, which reduces mechanical damage from brushing.

• Keratin reconstructs and fills in weakened areas for smoother strands.
• Argan oil deeply conditions for improved softness and slip.
• Liposome Smart Release delivers nutrients continuously for lasting smoothness.
• African manketti oil helps shield color and extend vibrancy.

Will this treatment help strengthen color-treated hair?

Yes — the combination of protein and conditioning agents specifically targets structural weaknesses created by coloring services. Regular use can reduce combing breakage and make hair feel firmer and more resilient to daily styling stresses.

• Keratin replaces lost protein to fortify compromised fibers.
• Proven reduction in breakage during combing after application.
• Maintains hair integrity between salon visits for healthier-looking color.

How should I use it for best results at home?

Apply to freshly shampooed, towel-dried hair concentrating on mid-lengths and ends; leave on according to package directions and rinse. It can be used weekly as a deep treatment or more often on hair that needs extra repair and shine.

• Use after cleansing on damp hair for an intensive treatment.
• Leave in briefly when you need a quick shine boost, or follow label timing for deeper repair.
• Pair with a color-safe shampoo and conditioner to preserve results.

Is Luster Lock safe for all types of color-treated hair?

The product is formulated for color-treated hair and works across a range of color processes, including highlights, balayage, and all-over color. It focuses on strengthening and protecting treated strands rather than altering color tone.

• Suitable for chemically colored and highlighted hair seeking repair and gloss.
• Helps protect against environmental fading with nutrient-rich oils.
• Non-color-altering; it enhances shine and resilience without depositing pigment.

Who is this for: Joico K-PAK Color Therapy Luster Lock is ideal for anyone with color-treated or chemically processed hair that needs a visible boost in shine, reduced breakage, and a stronger feel. It’s well suited to people who want salon-grade repair at home, those recovering from frequent styling and coloring, and anyone aiming to extend the life and brilliance of their color between professional services.

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.