Color is less likely to "bleed": With balayage, colorists make use of a barrier among their sections to prevent the layers of bleach from touching. "The good thing about employing cotton or saran wrap between sections is to stop the lightener from bleeding, which could create a blotchy dye occupation," https://jasperwkudm.thekatyblog.com/30545376/the-best-side-of-balayage-asian-hair