Achieving long lasting vibrancy ensure your colour maintains its shine choose to indulge your hair with Redken Color Extend Duo. Fighting the causes of colour change in colour treated hair the newly advanced formulas & technology all infuse together to lock in colour whilst leaving your hair glowing with health & gleaming with intensity. This pack contains the following products: • Redken Color Extend Shampoo – 300ml The first step to protecting your colour-treated hair Redken Color Extend Shampoo gently cleanses while helping to provide anti-fade protection keeping colour vibrant & radiant with mirror like shine. • Redken Color Extend Conditioner – 250ml Redken Color Extend Conditioner detangles hair while helping to provide anti-fade protection to keep colour vibrant & radiant with mirror like shine. After eight washes colour is left significantly more vibrant.