Fiber preparation is not one of the sexy parts of dyeing, but it’s a process that can improve your results significantly. It’s kind of like painting the walls in your house. You can skip the prep and go straight to the paint, but then you’ll probably spend the next two years noticing the hair and cobwebs you painted over, and finding little spots starting to peel. Like dyeing, doing a good job of prepping to paint is likely to take longer than the fun color part, but spending the extra time really does get you noticeably better results that last.  So, I spent the last two days in my studio…