In two weeks after your salon visit, your roots start to show. It’s an instant, temporary, convenient fix that extends the life of your color between salon visits. For best results, apply to clean, dry/styled hair. using the sponge applicator, sweep a small amount of powder over gray roots starting from the scalp and working outward. re-apply as necessary. Available in 4 self adjusting colors that match from the lightest blonde to the blackest black – Black/Dark Brown, Light Brown, Auburn/Red, Blonde. what it does this lightweight, binding powder delivers instant, temporary coverage to unwanted gray roots. washes out with shampoo no flyaways or dusting works in seconds what’s in it.