Joico's K Pak Deep Penetrating Reconstructor For Damaged Hair revives and fortifies hair with its advanced Keratin technology. Enriched with amino acids, Guajava Fruit Extract, and Evening Primrose Oil, it provides deep nourishment, restoring moisture and strength to even the most compromised strands.SmartRelease Technology integrates arginine to reinforce each strand, effectively reducing breakage and enhancing elasticity. This powerful treatment infuses essential hydration while boosting the hair's natural resilience, transforming lifeless locks into smooth, manageable tresses that radiate health.