- Color-treated hair requires extra care to stay healthy and bright. Color Protect® Treatment from Paul Mitchell® nourishes with deep conditioners that repair damaged strands and prevent split ends. Added plant extracts help protect against sun damage that can cause color to fade ensuring your hair stays bright and radiant every day. Paraben free, vegan, and color safe. Use weekly. Apply a small amount to clean, damp hair. Leave on for 3-5 minutes. Rinse.