Joico K-PAK Reconstructor Deep-Penetrating Treatment 8.5 oz — Keratin Repair for Damaged Hair

Joico K-PAK Reconstructor is an intensive 5-minute treatment that rebuilds, strengthens, and fortifies visibly damaged hair using keratin, arginine, and targeted delivery technology.

This salon-favorite reconstructing treatment was formulated to bring stressed, brittle strands back toward a healthier-looking state. With a blend of keratin protein, amino acids, antioxidant-rich guava extract, and nourishing evening primrose oil delivered via a smart-release liposome system, the formula targets weak areas inside the hair fiber to improve elasticity and reduce breakage from combing and styling.

How does K-PAK Reconstructor repair damaged hair?

The treatment supplies building-block proteins and amino acids that seek out and help replenish areas where the hair structure is compromised. Smart-release liposomes carry keratin, arginine, and rosehip oil into the fiber so active ingredients are delivered progressively for continued benefit after application.

• Keratin replaces lost structural protein to strengthen strands.
• Arginine and amino acids support fiber reconstruction and resilience.
• Smart-release system extends ingredient delivery for longer-lasting repair.
• Antioxidant guava helps protect hair from environmental stressors.

What results can I expect after a 5-minute treatment?

In just five minutes you’ll notice improved manageability, a reduction in combing breakage, and a smoother surface that reflects more light. Regular use on weakened hair helps hair feel firmer and appear healthier while minimizing snap and split-prone areas.

• Instantly softer, more manageable hair after one application.
• Improved elasticity and reduced breakage during detangling.
• Smoother, shinier-looking strands with repeated use.

How do I use Joico K-PAK Reconstructor for best effect?

Use after shampooing on towel-dried hair: apply evenly through mid-lengths and ends, leave on for five minutes, then rinse thoroughly. For highly compromised hair, follow stylist recommendations—occasional deeper or professional protocols can amplify reconstruction benefits.

• Apply to clean, damp hair focusing on damaged areas.
• Leave on for about five minutes, then rinse completely.
• Use weekly or as directed by your stylist for maintenance.

Which ingredients support the formula’s performance?

The formula combines protein-rebuilding keratin with arginine and a blend of botanical actives that nourish and protect. Evening primrose oil replenishes lipids and helps condition, while guava extract offers antioxidant protection to help shield hair from environmental aggressors.

• Keratin: replaces lost proteins and strengthens fiber.
• Arginine & amino acids: aid repair and elasticity.
• Evening primrose oil: conditions and replenishes essential fatty acids.
• Guava extract: antioxidant support against UV and pollutants.

Who is this for: Joico K-PAK Reconstructor is suited to hair that has been weakened by chemical services, heat styling, bleaching, or everyday wear. It’s ideal for anyone seeking a salon-grade, quick intensive treatment to rebuild texture, reduce breakage during combing, and restore a healthier-looking finish—recommended for use as part of a regular hair repair routine or as directed by a professional stylist.

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.