Joico K-Pak Deep Penetrating Reconstructor for Damaged Hair. New.

Joico’s original, award-winning intensive protein reconstructor rebuilds and improves the structure of hair. Reconstructor features QUADRAMINE COMPLEX,® an exclusive blend of low molecular weight and size proteins. This balance of 19 essential amino acids (the building blocks of hair) adheres quickly and effectively to ensure maximum protection and reconstruction from the cuticle to the cortex. Color-safe. New.