Surprise! Part 3 Bond Builder experiment! After the results were so compelling from the visual inspection of the hair itself, I wanted to go a step further and see if we couldn't get more detail through a cuticle cast and WOW. Very noticable difference between the two, especially when compared side by side. The gaps in the cuticle are much more apparent on the hair lightened without bond builder and overall the one with just looks cleaner, tighter and obviously healthier. All this leads to my co