Two-step Redken Acidic Bonding Concentrate system to strengthen and protect hair after colouring, lightening and heat styling. Set includes: Redken Acidic Bonding Concentrate Shampoo 300ml — an ultra-rich, pH-balancing shampoo with Citric Acid and a concentrated Bonding Care Complex to condition, reduce breakage and help protect against colour fade. Use as a complete regimen: apply to wet hair, lather and rinse. In case of contact with eyes, rinse immediately. Redken Acidic Bonding Concentrate Lightweight Liquid Conditioner 190ml — a weightless, sprayable conditioner with Citric Acid and an 11% Bonding Care Complex to reinforce weak bonds, reduce breakage, deliver up to 48 hours of volume and 4x easier detangling. Spray on wet hair from mid-lengths to ends and rinse. Ideal for fine, colour-treated or weakened hair seeking lightweight repair and bounce.