Horsehair bristles. For use
Before using the brush and brush, please make sure to soak it in water for 1 to 2 hours and expand the wood (bamboo) part. If you forget it, it may shed. After dyeing the brush etc. should be thoroughly washed with water and dropped Neopal N for 1 to 2 drops of water for 10 minutes, then washed with water for more than 10 minutes, the color will fade well.
(From Amazon.co.jp)