What Is Guache - And how on earth do you pronounce it? Gouache paint is a mix of natural or synthetic pigments, water, and gum arabic (or in less expensive brands, yellow dextrin) that acts as a binding agent to hold the paint together. Web what is gouache?
Web what is gouache? And how on earth do you pronounce it? Gouache paint is a mix of natural or synthetic pigments, water, and gum arabic (or in less expensive brands, yellow dextrin) that acts as a binding agent to hold the paint together.