Featuring two powerful formulas from Redken's award winning range, the Acidic Bonding Concentrate Shampoo and Conditioner Duo transforms the appearance of damaged hair. The set combines citric acid with a Bonding Care Complex to help leave hair feeling and looking stronger. The Acidic Bonding Concentrate Shampoo 300ml is Redken's concentrated all in one formula for all hair types and textures. This sumptuously rich shampoo delivers a deep cleanse alongside deep conditioning to help minimize visible breakage and provide color fade protection. Its pH balanced formula with an acidic pH helps defend against the negative effects of coloring, bleaching and heat styling. The Acidic Bonding Concentrate Conditioner 300ml is a gentle, deeply nourishing conditioner that encourages a smooth look. Perfect for lackluster hair, this formula visibly enhances vibrancy while simultaneously diminishing dryness, leaving hair feeling replenished.