Set Contents: Acidic Bonding Concentrate Intensive Pre-Treatment 150ml A 5-minute, rinse-off, pre-shampoo treatment powered by 14% Bonding Care Complex with citric acid to target weakened bonds and help minimise the look of breakage. Acidic Bonding Concentrate Shampoo 300ml The sumptuous shampoo works to lessen the look of colour fading, while minimising the appearance of visible damage. Acidic Bonding Concentrate Conditioner 300ml Created with a uniquely acidic pH, the conditioner helps to protect weak bonds and shield your hair from the look of further breakage caused by heat and colouring, allowing it to maintain a silky-soft finish. Acidic Perfecting Concentrate Leave-In Treatment 150ml Providing heat protection of up to 230 degrees, the leave-in conditioning treatment helps to protect hair from thermal damage, while softening the tresses for an ultra-smooth result.