Hair Dyes That Was Out In A Week! by Deborah Avgerakis Hair Dyes That Was Out In A Week!This dye will cover hair if you don't bleach it or if you do. It works very well and washed out within two weeks. This was the dye that I put on the top layer of my hair. I didn't bleach it and it turned out a greenish teal blue! I loved it!Same thing with this dye, it works very well and will cover your hair. I used this on the bottom layer of my hair and it provided a dark blue almost black with a purple tint to it. I loved this also!This was my hair which I dyed with both of the previous dyes. It's been around a week and there are still traces of colors