A sodium chloride-free , deep-penetrating replenishing mask With an anti-color fade & anti-aging formula Locks in & intensifies hair color while sealing hair cuticle Adds Grade A keratin to hair fibers & preserves keratin treatments Repairs damaged, lifeless or stressed hair & nourishes brittle, coarse hair Unveils sleeker, more lustrous & healthier looking hair in vibrant color Perfect for all hair types