Colour B4 and Decolour Remover on Lush Caca Rouge

That's a really good result! I'm impressed by how much the colour remover took out.

I just tried toning it with some Bleach London silver shampoo but it's far too orange for that!
Oh well I'm getting my hair cut next week and it's going a lot shorter so I'll play with what I'm left with after that!

Double post sorry!

I decided to use another Decolour today because I'm sure I remember reading somewhere that it's fine to do 3 but after that then there's not much point.
Anyway, the 3rd one has lifted even more out, I'm back to my natural colour besides some bits towards the end of my hair that had been hennaed a few more times than the rest.

Here is a final picture!

I decided to use another Decolour today because I'm sure I remember reading somewhere that it's fine to do 3 but after that then there's not much point.

I see this posted a lot but the reason it's only recommended to use three times in quick succession is because the sodium oxymethylene sulfoxylate creates formaldehyde (a carcinagen) and 3 uses is about as much formaldehyde as you want to be exposed to. https://en.wikipedia.org/wiki/Rongalite

I think the most i have ever used it on the same hair was five times on stubborn permanent black. It was spread out over several weeks/months, but continued to lift each time. I also did a couple of bleach baths during the lifting process, and the colour remover was more effective afterwards. Whether it would be the same with Henna I have no idea though

That's interesting to know about the formaldehyde!
I'm getting my hair cut tonight anyway so I'm going to get the darkest orange bits cut out and then see what I'm left with, hopefully it's fine to bleach and tone!

http://www.cancer.gov/about-cancer/causes-prevention/risk/substances/formaldehyde/formaldehyde-fact-sheet

Can formaldehyde cause cancer?

Although the short-term health effects of formaldehyde exposure are well known, less is known about its potential long-term health effects. In 1980, laboratory studies showed that exposure to formaldehyde could cause nasal cancer in rats. This finding raised the question of whether formaldehyde exposure could also cause cancer in humans. In 1987, the U.S. Environmental Protection Agency (EPA) classified formaldehyde as a probable human carcinogen under conditions of unusually high or prolonged exposure (1). Since that time, some studies of humans have suggested that formaldehyde exposure is associated with certain types of cancer. The International Agency for Research on Cancer (IARC) classifies formaldehyde as a human carcinogen (2). In 2011, the National Toxicology Program, an interagency program of the Department of Health and Human Services, named formaldehyde as a known human carcinogen in its 12th Report on Carcinogens (3).

Don't panic.

Yeah I wasn't really panicking, I have a background in chemistry and molecular biology (did a huge unit about cancer at uni) but it's good to throw that out there to everyone in general.

The main reason I'm not doing any more colour removers is that I can't stand the smell anymore!

Yeah, it was more of a "Don't Panic" with a big wink! It was hard to convey that when I posted that using Tapatalk on my phone earlier lol I couldn't even do the quote box thing, irritatingly. As you say, it was more as a general, "don't panic, formaldehyde isn't the scary thing people think it is, even if you really don't want too much exposure just like anything" post aimed at anyone reading 🙂

It sounds like you can get far worse levels of formaldehyde in your home using scented cleaning products and air fresheners anyway!