There are two ways of doing it. Number 1 - Depending on the colour of your hair after stripping it you can apply a ash toner, in some cases this is not such a good idea as your hair can go fully green no blonde. Number 2 - Again depending on the hair and how blonde you want it to be use a red filler first then put your ash over top once filler has processed, it may take a couple of re - applications i.
E your every 6 week retouch to get it exactly how you want.(Hairdresser for 9 years).
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.