LOreal Paris Preference Hair Color with Shine Activator to keep your hair shiny for up to 8 weeks: ACTION: Hair dye for permanent coloring. The formula stays inside the hair. It gives a noble and bright color. It also covers gray hairs. Do not wash. INGREDIENTS: Gloss activator highlighting the colors brilliance. Patented dyes of high resistance with a larger volume compared to traditional dyes. EFFECT: Intense color effect full of shine. The shine is kept for up to 8 weeks. Long-lasting and full of nuances of life.