Redken Acidic Bonding Concentrate Conditioner (300ml) – a sulphate-free conditioner that provides ultimate strength repair, intense conditioning, and colour fade protection for damaged, dyed hair. Featuring Citric Acid+ Bonding Care Complex, this unique formula reinforces weakened bonds within your hair to improve overall tensile strength and elasticity. This pH-balancing conditioner is specifically formulated for an acidic pH to combat the negative effects of colour processing, hot styling tools, and ionised water.