Extend the life of Single-Layer eyelash extensions! This innovative formula coats and seals the attachment area between the eyelash extension and the natural eyelash, creating a protective barrier against water, humidity, tears, oils, perspiration, makeup, dust, and debris. Style, shape, and hold curl while adding a subtle sheen in just one step. Promotes longevity and protects eyelash extensions. Contours, shapes, and holds eyelash extensions into place. Easy application with the slim mascara-style brush. Safe on natural eyelashes.