ILŪ 113 Flat Foundation Brush The flat foundation brush with synthetic bristles is great for foundation application and also even application of masks and other skin care products. This brush is made with high quality synthetic taklon bristles that can be used by those with sensitive skin, prone to allergies. The bristles can be disinfected. The wooden handle and copper ferrule in silver color are resistant to scratching and are easy to clean. How to care for your brush? Remember to wash your brushes regularly. Wash the brushes with warm water and mild detergent. Avoid getting water on the wooden handles. After rinsing, form the bristles into their original shape, and allow the brushes to dry in vertical position with bristles facing down.