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. Apply only to dry, freshly cleansed Single-Layer eyelash extensions. Do NOT apply to Volumation eyelash extensions. Do not apply this product 48 hours before or after an eyelash extension application. Recommended use is 1-2 times per week. Increase application to 3 times per week if you participate in activities that involve excess perspiration, steam, or water.