Quote Originally Posted by AmIGonnaFail
OK done a bit more reading, pure ammonia is a gas, liquid ammonia is ammonium hydroxide and household ammonia is solution of this in water, wikipedia reckons it will be between 5 and 10% so I guess the one I found 9.5% was quite strong..

Do you think it's worth buying this and putting it in my hair?
That was the first option and the most harsh as I read it. The other was to use Tints of Nature, A hair color treatment sold at their website. I can't link the website because of spamming rules, so just google Tints of Nature.