Nice'n Easy No-Ammonia Shade 82 Dark Warm Brown up to 24 Shampoos

I used this hair colour last night on my light brown hair. After about 4 minutes, it started to really burn my scalp (Patch test was fine). I rinsed it out immediately and it was completely BLACK. This is NOT advertised as this colour. Bad from Nice 'n...

I'm very pleased with the product,this is the second time I have used this system. The only thing that was wrong was I didn't get a receipt so I could claim my points. I had to go back to boots and before they could deal with this enquirey I had to...