Whilst most colored pencils are wax based, some brands use an oil based lead, like Faber Castell's Polychromos. These pencils are very soft to apply color so will cover every fibre of the paper with their bright hues, but they are also very expensive and should only be considered if you are looking to take your art to the highest level.
Coloring Books For Adults Can Help You De_Stress. It turns out that adult coloring books can be used as something other than an ironic gift from Urban Outfitters. In Europe, more people are using coloring books to reduce stress _ so excuse us while we go find where we put our crayons. No, seriously. Contrary to what some may think, coloring is not just for kids.