Color Oops Extra Strength is the safest and most effective way to reverse an undesirable hair color application. In just 20 minutes Color Oops™ corrects your hair color by shrinking the dye molecules, allowing you to simply wash them away. Our unique formula is bleach-free and ammonia-free. Color Oops™ will not have the damaging effects of bleach or ammonia-based products. Color Oops™ Extra Strength is so gentle that you can recolor your hair the same day.