Details: Color Guard Leave On Treatment is a no-rinse formula specially formulated with UV Filter and Wheat Protein to help seal, maintain, protect, and extend the color of dyed hair for longer-lasting vibrancy. It nourishes and hydrates, leaving hair soft, shiny, and easy to comb. How to use: After using Color Guard Shampoo and Conditioner, apply to damp hair. Do not rinse and comb/style as usual.