Product Description Tone to set the tone using PRAVANAs gentle, ammonia-free toners that leave hair feeling healthier and shinier in under five minutes! EXPRESS TONES AFTER DARK the darker side of PRAVANAs best-selling, ammonia-free, fast-acting ChromaSilk Express Tones. ACHIEVE HIGH-SHINE, RICH LOWER-LEVEL DEPOSIT ON LEVELS 7 AND BELOW Long-lasting tones that only take 5 to 15 minutes at the shampoo bowl to create! Unique, progressive deposit means the tones darken the longer theyre left to process. Multi-use capabilities that allow for lowlighting, shadow roots, filling, enhancing or diminishing tones, and more!