Colour lasts up to 40 washes tresemme colour revitalise conditioner with advanced colour lock technology conditions and detangles hair while replenishing vital moisture to colour treated hair hair is protected so colour lasts 8x longerthis unique formula comprised of green tea rosemary and sunflower helps protect colour while keeping hair healthy looking colour stays gorgeous longer and hair is softer and more manageable for maximum colour protection wash hair with tresemme colour revit