... of 100% silicone,It is a good quality, comfortable,durable,green cosmetics.It certificates SGS,FDA. Shaving Brush:1.Material:100% Silicone2.Color ... affected by the encounter water or hot water2. Do not use the washing machine or dryer to prevent the shortened life ... in the virtue of customer-focus, and excellent team with a bold innovation, strong technical force, strongly technical expertise cadres, ...