Will Color Oops remove colors that are darker than my natural shade? Think of the pigmentation in your hair color as an undercoat. Source(s): i've been dying my own hair for 5 years, i've brown, black, blonde, purple, etc. My hair turned mostly dark brown, but there were uneven orangey-brown spots. Your hair will be an awful orange-ish yellow color that looks BAD, so I'd recommend using the exact color dye you want right after. Always cruelty free I then dyed my hair a medium brown shade to even my hair out, only left it on for five minutes, and my hair is now a brown black. Formulated without bleach or ammonia, our selection of hair color removers work on permanent and semi-permanent hair dyes. What color oops does is remove the chemical bonds of the hair COLOR from your hair strands. I had such color buildup from dying it brown the past year. So I started off with the color oops by removing any black I had from when I had color boxed it 9 months ago. I recently used color oops after dying my hair black too!! I was left with an orange yellow hair . To lighten your color, you need to get rid of that undercoat. Color oops is like bleach, it strips all the color out of your hair. I have a simpler problem. What you should do is pick a color a lot lighter than what you're going for and when you dye it PLEASE don't leave it on for too long; the reason I say this is because your hair becomes porous, meaning it takes dye faster, resulting in darker hair color. I've used color oops many times, and if you have long thick hair, go for more like an hour keeping it in, but no longer. First, you may need a colorfIll, which replaces the pigmentation that was stripped when highlighting. I would leave it, and try washing it a lot to try to get it fade to a brown first. Yes I let it rest between those 2x's . On darker shades Color Oops will remove artificial dye and return your hair to its natural level. I had to bleach it a few times which damaged my hair. Wait a full day before going back at your hair with the dye. I was brown and wanted to get back to blonde. A week ago I used color oops in hopes of lifting the black dye out of my hair (which it did) so I could have brown hair again. The lady at Sally's recommended I get it … Once the color is removed, you are left with fairly ORANGE hair, because every box dye uses ammonia and peroxide to bleach your hair prior to depositing it's color. I then bleached my hair 2x's . I'm trying again today to have brown hair, and I was … Also, after a few days, your hair might fade to how you want it as well, especially if your hair was lighter. Its like bleach. When I decided to try color oops I had about one inch of my natural hair color at the roots, about an inch and half of a lighter brown after that, then 12 inches of black (not pretty, I know that why I was hoping this product would work). A color filler is used for even color, and its a semipermanent shade. Color oops damages your hair , so be sure to get a good cream rinse after using it.