Conveniently blend, blur, soften and mix HOCP with MELTZ, a water based blending thinner in a  pen. The Dual Tipped  had superiour results with a round and brush tip.

Blending, gradations or brush stroke like effects can be achieved by using MELTZ on an area already covered with HOCP. While some colours are more difficult to mix or blend, color mixing is best done when HOCP has been applied in a cross-hatch or layered pattern.