What it is: Kenra Color offers two lightener options to meet the needs of stylists and clients alike. Kenra Color Lightener features a blue-violet base to help control unwanted warm tones when lifting and Kenra Color No Ammonia Lightener is a fragrance-free, white powder formulated without ammonia. What it does: Each dust-free lightener powder can remove natural or artificial pigments, both indirect and direct to help eliminate unwanted tones such as ash or red and have a lifting strength of up to 7 levels in a single application. What else you need to know: Extremely versatile, each lightener can be applied both on and off the scalp with Kenra Color Permanent Developer 10 ? 30 Volumes in different ratios for multiple blonding effects ? 10 and 20 Volume on the scalp and 10, 20 and 30 Volume off the scalp.