The Redken Acidic Bonding Concentrate Conditioner is a powerful all-in-one formula designed to repair damaged hair. It provides intense conditioning, ultimate strength repair, and long-lasting protection against color fade so you can enjoy beautiful, healthy locks for long. This conditioner contains a concentrated bonding care complex that strengthens your hair's bonds and citric acid, an alpha hydroxy acid that reinforces weak bonds. The pH-balancing conditioner is formulated with an acidic pH to protect hair from coloring, heat styling tools, and even water damage.