As long as you are getting the result you want from your white builder then I would think it is OK.
I know that when formulating in the lab, they wanted to get the white really bright so it is a tad stiffer. Takes a little getting used to but you can't get such a white without the consistency changing. I know that the next thing to be released is a not so white for those that prefer that look.
As far as I am aware, you can measure the pH of ANY liquid substance NOT solids. So I do not think that one can determine the pH of the finished enhancement .... BUT ... I'm not certain about this. Just logically arguing the point with myself!
We will have to get he geek on it with Doug.
Thank you for givning us you opinion of Brisa ... let us know how it 'wears' for you. I have to say it has been on my big toes for 6 weeks and wearing perfectly .... so pleased.