The Elumen Care Mask is a nourishing mask for thick and porous hair that provides intense care and protects hair from damage. Supports fading on tone up to 100% for all Elumen play shades. Hair feels smooth and healthy and is full of color brilliance and vibrancy. Elumen Care is a dedicated care line to support Elumen Permanent and Semi-Permanent color for maximum color retention. The Goldwell Elumen Mask helps to prolong the durability of your Elumen hair color for up to 12 washes, keeping your hair bright and vibrant!