With a hair-saving formula that rebuilds and re-fortifies even hopeless hair in minutes, Joico's K-PAK Deep-Penetrating Reconstructor is a must-have that prepares your hair for a future with less damage.
64% less breakage**
Repairs years of visible damage*
Instantly doubles hair strength**
Improves elasticity & manageability
*When used with K-PAK RevitaLuxe **Against combing breakage on damaged hair vs. a non-conditioning shampoo