Hyaluronic Color Protection Mask: It’s formula with hyaluronic acid and a special multivitamin, complex, disentangle and nourishes and seals hair, leaving it, bright, silky and manageable without weighing it down. It softens and reinvigorates the fibers of hair, keeping it looking brighter and more beautiful for longer. Use : after shampooing, apply to the lengths and ends of towel dried hair and comb through. Leave in for 3 to 5 minutes, then rinse.