GKMBJ Colour Lock Shampoo cleanses gently while protecting the vibrancy and longevity of coloured hair. Our Special formula nourishes and seals colour in the hair shaft. Use with GKMBJ Colour Lock Conditioner Distribute evenly on damp hair and leave for 3-5 minutes. Rinse and repeat. For best results use with GKMBJ Colour Lock Conditioner.