Hi again.... Red tones are an on-going issue on system hair, or so it seems.... crops up a lot .... coloring can be a bit of a minefield.....there have been quite a number of posts regarding it over the years ..... here are some you may find of help [ or not ! ] It`s a fairly ` technical` thing and a professional colorist would be best placed to advise you..... you may find a few tips on this link:
http://www.forum.toplace.com/search.php?...order=desc