Hermcol®Ko te Blue GLVO he ahua beta Cu-Phthalo puru puru me te marumaru kaakaariki-puru e tuku ana i nga taonga pai ake, tae atu ki te tere wera, te tere marama, te kaha o te tae, te kaha kapi, te kawakore me te aukati waikawa me te kore he toto, he heke pigment ranei.Hermcol®Ko Blue GLVO he whakarewa-mau.