Dark Blonde Tester what it does: this temporary, touch-up spray instantly lightens and brightens to blend dark roots and perfectly disguises dark or gray roots, leaving hair looking refreshed revived, and ready for anything. What's in it: multi-chromatic pigments & self adjusting color that matches to your hue and blends visible dark or grey roots. Shine with a natural-feeling texture. No peroxide, ammonia. no harsh chemicals or smells. Not tested on animals