Treat weak and damaged hair to this SACHAJUAN Overnight Hair Repair. The ultra caring formula infuses moisture and restores essential minerals into your hair leaving it with a healthy shine. Awake to beautiful, smooth and healthy hair with the SACHAJUAN Overnight Hair Repair. Formulated with ocean silk technology to build elasticity and strengthen hair, this intensive treatment will leave your hair feeling wonderfully soft. Directions of use: Apply in the evening starting at the lengths and leave in for the entire night. Does not need to be washed out in the morning. Style as usual.