Lash Therapy Australia Eyelash Growth Serum promotes thickness, darkness, curling and growth of your lashes. Lash Therapy Australia Eyelash Serum is formulated with advanced polypeptides to increase the volume, thickness, length, and curl of your lashes. Our serum uses the latest formula made with only natural and safe ingredients. It is proven to be a healthy and effective treatment to grow your lashes. Beautiful, longer and thicker lashes can start to show 1 to 6 weeks after using our product.