A custom-designed and handcrafted synthetic brush that was made to give a flawless application of The Silk Powder. What Else You Need to Know: This is a synthetic brush, custom-designed and handcrafted in Japan, that was made to provide a flawless application of The Silk Powder (sold separately). It will allow you to experience the quality of Kashoen 1883, Japan's oldest brush brand. The slightly rounded bristles are individually razor-trimmed to give a flawless application and a perfectly blend