What it is: ISO i.Color?s Gemstone collection presents 2 reds and 1 violet for permanent color with superior vibrancy evocative of the stunning stones they were named after. What it does: This permanent hair color will enhance your color and give you long lasting results. What else you need to know: Use individual shades or take the opportunity to personalize your formulas. With the small but complete shade selection you can be as natural or creative as you want!Iso Hair