How to Clean the Brush: Step 1: Pour clean water into the container and add a proper amount of makeup brush cleaning solution. Stir well. Step 2：Dip the foundation brush completely into the water and soak for 10-20 minutes. Step 3：While ringing, stirring, pressing the bristles, gently rubbing the bristles in the same direction, so that the residual makeup and liquid foundation in the bristles are released. Step 4：Rinse the bristles with running water until the flowing water becomes clear. Wrap the excess moisture of the foundation brush with a paper towel. Step 5： Place the foundation brush in a cool, ventilated place, dry and reject the sun. Details: Product category: 55mm large face brush Brush material: man-made fiber Brush handle material: plastic Brush length: 2cm Brushing surface: 6cm Total brush length: 4.5cm