• Your Questions on Materials and Techniques

    5 monthes ago - By Gurney Journey

    You all have been asking some great questions about materials...
    Kent Strabala asks: "Can you please tell me the main differences between gouache and casein? I know how they're made, i.e. gum arabic vs. a milk binder, but I want to know the differences in how they lay down, are used, and how they look when a painting is finished."
    Jack Richeson Casein 6 Pack with Brush Set James Gurney Kent, the biggest difference is that gouache remains soluble after it dries. Casein, because of its milk-based binder, resists reactivation after it's dry. Casein also lays down differently. Casein has more...
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