Redken Acidic Bonding Concentrate 24/7 Night & Day Strength Repair Hair Serum

Designed to repair and protect demanding, processed hair, Redken's Acidic Bonding Concentrate 24/7 Night & Day Strength Repair Hair Serum intensely strengthens from root to tip and fights back against daily damage. It's infused with citric acid that penetrates seven layers deep and contains a high concentration of polyglutamic acid and squalene to add magnetism to your locks, resulting in a long-lasting shield against aggressors.