Redken Acidic Bonding Concentrate Hair Repair Survival Kit NIB. Travel-size samples (1oz each bottle) of the intensive treatment and leave-in conditioner.The Intensive Treatment features a 14% Acidic Bonding Care Complex designed to strengthen hair bonds before shampooing.The Leave-In Treatment is a 5% concentrated formula that provides heat protection and reduces frizz for processed or damaged hair.This treatment duo is formulated to repair strength in damaged hair strands and balance pH levels. The box may have some marks from storage