Pravana ChromaSilk VIVIDS Purple TourmalineChromaSilk VIVIDS Purple Tourmaline The ChromaSilk VIVIDS collection is semi permanent, non oxidative hair color that is designed to be used without developer. The industrys largest semi permanent creative color collection. Intermixable with any VIVIDS shade for an array of color creations. How To Use Wear suitable gloves to prevent staining. Do not mix with developer. For best results of VIVIDS color, pre lighten hair to the indicated lifting level