Professional Igora Vibrance Gloss and Tone Developer 4% and 13 Volume, 33.8 Ounce

What it is: Ultimate Shine Up to 70% white hair coverage Highest intensity Vibrant expressive fashion tones Multi-layer color Technology Lasts up to 25 washes. What it does: This cream peroxide developer is designed especially for IGORA Vibrance. It has the perfect consistency and peroxide strength to deliver the best colour results when using Schwarzkopfs tone-on-tone colour system. As an added bonus it leaves hair in great condition and easier to comb. What else you need to know: Dual System Application with IGORA ROYAL.