What it is: Bring your hair color aspirations to life with Pravana ChromaSilk ColorLush Color Boost! This is a demi-permanent liquid hair color that comes in vibrant colors like red, blue, and copper. What it does: This product adds pigment to any hair color it's added to. For instance, you can add the red color boost to blue hair color to create purple. You can create a color that you've never seen before with these color boosts. Experiment with the "clear" shade to create lighter shades if you'd like. What else you need to know: This color is ammonia-free, so it will not damage your hair. Also, for your convenience, it comes with a dropper to dispense precise amounts of the color. This color boost gives you full control over the final color result.