Joico K-PAK Reconstructor 5.1 fl oz — Deep Repair Treatment with Keratin & Arginine, Rebuilds Damaged Hair

If your strands are weakened from color, heat, chemical services, or daily styling, this salon-grade formula delivers concentrated proteins and nourishing oils to restore elasticity and reduce breakage. Designed by Joico, the K-PAK Reconstructor has been a go-to professional reparative treatment for decades, offering visible improvements in strength and manageability after a single short application.

How quickly will I notice stronger-feeling hair?

Many users report improved texture and less snapping after just one 5-minute application. The formula deposits keratin and amino acids deep into the hair shaft to target structural damage and enhance resilience.

• 5-minute processing time for fast salon or at-home use
• Keratin and arginine work to reinforce hair fiber
• Designed to improve elasticity and reduce combing breakage

What ingredients help repair and protect strands?

This treatment combines rebuilders and antioxidants to both mend and shield hair. Smart-release liposomes deliver actives over time while oils and plant extracts support moisture and UV resilience.

• Keratin protein replenishes lost structural material
• Arginine and other amino acids reconstruct internal bonds
• Rosehip oil, evening primrose oil and guava extract add nourishment and antioxidant protection

How should I use Joico K-PAK Reconstructor for best results?

Use it as a weekly or as-needed intensive treatment depending on damage level. Apply after shampooing to clean, towel-dried hair, leave for five minutes, then rinse thoroughly—follow stylist directions for in-salon protocols.

• Work through mid-lengths to ends; avoid heavy application on roots
• Process for 5 minutes for a quick boost; longer under stylist supervision if needed
• Rinse and style as normal; repeat regularly for cumulative benefits

Will this weigh my hair down or change my style?

Formulated to rebuild without leaving heavy residue when used as directed, the Reconstructor restores spring and manageability rather than flattening. Fine hair users should apply sparingly and concentrate on ends.

• Non-greasy finish when rinsed well
• Targets damaged sections to avoid overall heaviness
• Suitable for color-treated hair when used per instructions

Who this product is for: Joico K-PAK Reconstructor is aimed at people with chemically or heat-damaged hair who want a professional-strength repair boost in a short amount of time. It’s ideal for clients and at-home users seeking improved elasticity, less breakage, and a stronger hair fiber—especially those who color, straighten, or frequently heat-style their hair and need targeted reconstruction without lengthy processing.

Ingredients

WATER/AQUA/EAU, STEARAMIDOPROPYL DIMETHYLAMINE, MINERAL OIL/PARAFFINUM LIQUIDUM/HUILE MINERALE, GLYCOL STEARATE, PEG-8 DISTEARATE, SODIUM CHLORIDE, CETETH-2, HYDROLYZED HAIR KERATIN, LAURDIMONIUM HYDROXYPROPYL HYDROLYZED KERATIN, MYRISTYL MYRISTATE, CITRIC ACID, FRAGRANCE/PARFUM, SORBIC ACID, CETYL ALCOHOL, STEARYL ALCOHOL, CARTHAMUS TINCTORIUS (SAFFLOWER) SEED OIL, YEAST EXTRACT/FAEX/EXTRAIT DE LEVURE, ALOE BARBADENSIS LEAF JUICE, KERATIN AMINO ACIDS, METHYLPARABEN, PROPYLPARABEN.