Joico K-PAK RECONSTRUCTOR is 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
Apply to damp hair.
Leave in at least 5 minutes.