I’ve posted a written review and my video review of Charles’ blotch control on my blog. Overall its a great product. Easy to use, non-toxic and it just plain works.
http://www.thedustydeveloper.com/2011/10/review-charles-neals-pre-color.html
http://www.thedustydeveloper.com/2011/10/review-charles-neals-pre-color.html