Color is more unlikely to "bleed": With balayage, colorists utilize a barrier among their sections to avoid the layers of bleach from touching. "The good thing about applying cotton or saran wrap in between sections is to circumvent the lightener from bleeding, which could create a blotchy dye job," Cassanova https://balayagefriseur71605.webbuzzfeed.com/32040349/balayage-on-blonde-hair-things-to-know-before-you-buy