Demi-permanent formulas are the best low-maintenance color for gray hair because they can provide full coverage similar to ...

How to Apply: Mix the color with the developer, then apply the product to dry hair. Let the mixture set for the time outlined in the included Usage & Timing chart, then rinse and condition the hair.

Then, we applied a 30-volume developer to my roots before using L’Oreal HiColor Permanent Hair Color ($13, Sally), which is specifically formulated for coloring dark hair.