K-Pak Deep Penetrating Reconstructor Treatment is a highly intensive treatment that rebuilds the structure and condition of all hair types. This powerful five-minute treatment is ideal for stressed, damaged and chemically treated hair and works hard to replenish lost or depleted Amino Acids. Formulated with exclusive SmartRelease Technology, damage-seeking Keratin, protective Guajava Fruit Extract and nourishing Primrose Oil, this transformative treatment rebuilds even hopeless hair in minutes and prepares your hair for a healthy future with less damage.