After using your fine tip paint brushes for acrylic, oil or watercolor painting, its very convenient to clean them with warm soapy water and reshape the paintbrush tips. Air-dry the detail brushes and store them in the carrying container in a tip-top position for long time of use. Paint brushes nylon hairs are carefully selected and will spring back perfectly after every brush strokes. They can be easily clean up with soapy warm water and reshaped with your fingers.