Gouache paint is an opaque water-based paint with a matte finish. It is made by adding pigment to a binding agent, typically gum arabic, and then adding water to create a paste. Gouache can be applied using a variety of techniques, including brushes, rollers, or even airbrushes.
Gouache has been used for centuries by artists of all skill levels. Its popularity stems from its versatility - gouache can be used for everything from illustrations to fine art paintings. Additionally, gouache is relatively inexpensive and easy to find in art supply stores.
Despite its many advantages, gouache does have some drawbacks. Oneg of the biggest issues with gouache is that it can be difficult to achieve consistent results due to the nature of the medium. Gouache also dries quickly, so artists must work fast when using it. Lastly, because it is an opaque medium, correcting mistakes can be tricky.
Overall, though, gouache is an excellent choice for any artist looking for an versatile and affordable painting medium.