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 the application of lash extensions helps maintain 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 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.