Created from the latest advances in cosmetic science, Purely Lashes Lash Growth Serum stimulates lash growth to provide healthier, stronger & longer eyelashes in as little as three weeks. The combination of 4 different peptides & a range of natural extracts make darker, thicker & longer lashes visible within 3 weeks (peak results will be seen around 3 months). Purely Lashes Lash growth serum is specifically designed to be used with natural lashes or extensions. Our Lash Growth Serum will not interfere with the adhesive bond with eyelash extensions & helps them to remain in place for longer.