Joico K Pak Intense Hydrator Treatment for Dry Damaged Hair. Treat your hair to Joico Intense Hydrator Treatment for Dry, Damaged Hair. Its formula replenishes moisture and lipids to your overly damaged hair, giving you soft, shiny and hydrated locks. K-Pak Intense Hydrator Treatment makes your dry and damaged hair more manageable. It also improves the elasticity of your hair while sealing cuticles.