Yeah..no matter how long you wear, you never really ` know it all`...you`ll sometimes come up against an issue you haven`t had before..... glad it`s looking ok now Waldo...it was probably down to it not being applied evenly...it`s all part of the learning-process and you`ll be more relaxed/able for it next time.
As a footnote to my post above, I was talking to a very experienced system-stylist recently, and he told me that the 12% creme peroxide is actually too strong and should normally bleach/lift the colour !! This surprised me as I`ve always used it successfully and it was a salon-owner who originally advised me on how to colour the hair and the 12% is the one they used all the time.
So, just putting it ` out there` for forum-readers..would be interested to hear opinions from those who don`t buy the off-the-shelf products , but who mix the colours themselves.
Glad you`re sorted now anyway..cheers.