These brushes are high quality with ultra soft synthetic bristles. Perfect for eyelash extensions professionals wanting to provide a deep cleaning of the lashes and lash line. Proper cleaning before application of lash extensions helps maintain a better retention. Our lash cleaning brush is also a great retail product to offer your customers to help them maintain their lashes at home. Clean the brushes with a mild soap and warm water, rinse well and let dry. Perfect for use on your own eyelash extensions or on your clients. The soft bristles are gentle on eyelash extensions.