Wella 22/0 and 10/1 to make a slate grey (edited)

[Shanz]

Ive done this exact mix (Wella Koleston 10/0 and a touch of 22/0 depending on how grey you want it, with the pastel developer) and this is what i got. Was really surprised how it came out as her hair was more orange than yellow to start with but it worked

What mixing ratios did you use?
And do you have any more examples?

 

[Vivvy]

Ive done this exact mix (Wella Koleston 10/0 and a touch of 22/0 depending on how grey you want it, with the pastel developer) and this is what i got. Was really surprised how it came out as her hair was more orange than yellow to start with but it worked

How long did u leave it on for?
Is that from the yellow to the Grey or did u prelighten it again before hand?

 

[Samantha Phillips]

Hi hoping you can help. I love the slate grey and it's just what my lady wants but I've never used wella so can I use this formula on virgin hair? Lady will I've roots which are 70% grey and then bleached rest of hair that's got a hint of warmth too it. She want a slate grey with blonde foils? Thank you