ion Color Brilliance Neon Brights! are Florescent shades with an intense electric vibe which makes it easy to join the neon revolution. Call it what you like, Neon, Florescent, or Day-Glo but don’t call it unnoticed. Seven bold shades in semi-permanent hair color. ion Color Brilliance Neon Brights are hi-fashion hair color shades designed to give vivid, boldly intense results. In twenty to forty minutes ion Color Brilliance Brights can be applied to pre-lightened, natural, or color treated hair. ion Color Brilliance Semi-Permanent Brights are hi-fashion hair color shades designed to give vivid, boldly intense results. In 20 to 40 minutes ion Color Brilliance Brights deposits color on pre-bleached natural or color treated hair. ion Color Brilliance Brights can be applied to pre-lightened hair and natural or colored hair. "ion Color Brilliance Hair Color provides rich, luxurious color and even ensures 100% flawless gray coverage." - GREGORY PATTERSON Lead Hair Stylist on Project Runway Season 14 Vegan & Cruelty-Free (Product not tested on animals). Formulated in Italy. No ammonia or peroxide. Brilliantly intense hair color. No developer required.