Treatment mask Matrix So long damage strength pak, fortifying and intense repair for hair damaged, weakened and brittle. The treatment Matrix So long damage enriched with ceramides, strengthens hair to reduce breakage and ensure healthy growth of the hair. Restructures the hair fiber in depth to strengthen hair weakened and give them a healthy shine, make them stronger and more flexible. Result : Hair fortified in depth and shiny. How to use: Apply on clean hair and distribute on the lengths and tips. Let pose 5 to 10 minutes then rinse.