Our best selling Eyelash Serum 3ml paired with our Eyebrow Serum 3ml. Lash Therapy Australia Eyelash Serum is formulated with advanced polypeptides to increase the volume, thickness, length, and curl of your lashes and Brows. 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 and Brows.