I always seem to end up with terribly brassy hair in the summertime, and sometimes dyes only exacerbate the problem. I specifically tried this dye so that I could see if it really would keep the brassiness out of my hair, and it did! My hair looked so much better after using this and it did not take on the usual garish tones that it does when I spend a lot of time out in the sun. I highly recommend this to anyone with brassy tones in their hair! Effectiveness This dye was great. It covered my grays a little bit, it made my hair look and feel healthy and beautiful, and it delivered on its promise to keep the brassiness away. It faded slightly sooner than I was expecting, but it was otherwise very effective and reliable. Ease of Application For whatever reason, I found that I was a little less clumsy applying this dye. I'm not sure whether the formula is slightly different or whether I was just having a good day, but I ended up with much less on my skin than usual!