Redken Acidic Bonding Concentrate Intensive Pre-Treatment with 14% Citric Acid features a high concentration of 14% Citric Acid and Bonding Care Complex. This is a 5 minute prep treatment that provides intensive strength repair from the inside out.
This treatment is a pH-balanced step 0 to maximise the benefits of using other products, helping to transform the look and feel of the hair after every wash. Give your hair a pH-enomenal hair transformation with this small but mighty innovation. Hair results in being intensely stronger from the inside out, strengthening of the hair fibres, and up to 14x smoother hair*. Suitable for all hair types and textures.
*instrumental test on bleached hair vs. classic shampoo. Source: L'Oreal Professionnel.