Joico K-PAK Color Therapy Luster Lock Instant Shine & Repair Treatment — 8.5 fl oz, Keratin & Argan Oil for Color-Treated Hair

Joico K-PAK Color Therapy Luster Lock is an instant shine and repair treatment that restores vibrancy and reduces breakage in color-treated hair with keratin, argan oil, and a time-release repair system.

Color-treated hair needs targeted care to stay luminous and resilient. This formula combines strengthening proteins and nourishing oils to address weakness, dullness, and color fade without weighing hair down. Use it as a quick treatment to boost shine, help smooth the cuticle, and support hair that has been chemically or color treated.

How does Luster Lock improve shine and color vibrancy?

The treatment deposits conditioning agents and lightweight oils that reflect light for an immediate glossy finish while helping slow color loss. Ingredients like African Manketti oil and argan oil help preserve pigments and add surface smoothness for longer-lasting vibrancy.

• Instant glossy effect that enhances color depth and reflection
• African Manketti oil supplies antioxidant-rich Vitamin E to protect against fading
• Argan oil smooths the cuticle, improving light reflection
• Non-greasy formula designed for color-treated hair

Will this treatment help reduce breakage and strengthen hair?

Yes — the product blends keratin protein with Joico’s Smart Release delivery to reinforce fragile strands and replace lost proteins. With repeated use, hair becomes more resilient to combing stress and everyday styling that can cause snapping.

• Keratin actively targets and fills weakened areas along the strand
• Clinically inspired claims show substantial reduction in combing breakage
• Smart Release technology continuously delivers repair actives over time
• Supports healthier-looking hair structure without heavy buildup

How and when should I use this treatment in my routine?

This product works as a quick salon-style boost when you need extra shine and repair. Apply to towel-dried or dry hair depending on desired effect, leave for the recommended time, then rinse for a fast treatment or lightly towel for a leave-in gloss using minimal product.

• Use after shampoo and before styling as a 1–5 minute treatment
• Can be applied to damp hair for deeper penetration or a touch on dry ends for surface shine
• Safe to include in regular color-care routines
• Suitable for occasional intensive use or weekly maintenance

What technology and key ingredients are inside the formula?

Luster Lock combines a targeted protein with natural oils and a liposome-based Smart Release system to keep repair ingredients active over time. These components work together to strengthen, hydrate, and protect color-treated hair from cumulative daily damage.

• Keratin — helps rebuild and reinforce weakened hair fibers
• Argan oil — delivers hydration, fatty acids, and antioxidant support
• African Manketti oil — Vitamin E-rich oil that supports color longevity
• Smart Release liposomes — controlled release of actives like rosehip oil and arginine

Who is this for: Joico K-PAK Color Therapy Luster Lock is formulated for people with color-treated or chemically processed hair who want immediate shine plus ongoing repair. It’s appropriate for anyone seeking to reduce breakage, smooth the hair surface, and maintain color vibrancy without heavy oils or varnish-like residues. Ideal for at-home touch-ups between salon services or as part of a weekly treatment routine.

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.