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This is a cohesive face brush that is seasoned with thick and horsehair as a teaching face brush. Suitable for drawing line and fine digging
The bristles are made of traditional animal hair (animal hair) and nylon chemical fibers. Animal hair is also used for different purposes.
Heavy and sticky oil paintings are suitable for thick and hard hair, and watercolor has good paint content and is preferred.
Cleaning after use is essential for long lasting brushes. Especially if the paint accumulated at the root of the hair, it will not only get poorly used but also shed hair, and it will not be used as a brush.

(From Amazon.co.jp)