We’re all about embracing our natural hair color, but grays or growing-in roots aren’t for everyone. You don’t have to resort to a full-on dye job though—this unique, brush-on powder instantly conceals roots while sealing in the rest of your hair’s vibrant hue. Enriched with a color-protective blend of keratin, argan oil, and ginseng root, it consists of micro-milled pigments that ensure natural-looking dimension and total coverage that won’t streak or stray until your next shampoo. Plus, no drying time required.
This is fine if you're in a really tight pinch and just need something for a day. It seemed to take a lot to cover up greys, and since it shampoos right out, can't see this would be worth it. Mush easier and longer lasting to use a dye-based root touch up kit than a powder, with about the same amount of time and effort.
1