I'm thinking about going red again for the millionth time in my life and fancy trying henna. My hair is currently a lovely mix of grey roots, mid brown and lighter, slightly red ends 
I normally do a brown root stretch for a natural balayage kind of look.
I want it to look pretty natural and don't fancy really orange (been there, done that).
Has anyone used them? Any pictures of the colour results would be amazing. And tips for using it.
Suggestions of other henna products also gratefully received. Thanks.