Color is more unlikely to "bleed": With balayage, colorists make use of a barrier among their sections to stop the layers of bleach from touching. "The benefit of utilizing cotton or saran wrap in between sections is to prevent the lightener from bleeding, which could develop a blotchy dye work," https://balayage-kosten84306.shivawiki.com/6991085/what_is_foilyage_hair_secrets