Authentic product purchased at a salon. This is the renewed version, not the old one. I purchased it at the beginning of this year and used it for 3 months. Including the container, it weighs 19g. Please purchase only if you understand that this is a used item. An eyelash serum that moisturizes and promotes healthy eyelash growth. Lash Addict Eyelash Serum - Brand: Lash Addict - Product Name: Eyelash Conditioning Serum - Capacity: 5ml - Country of Manufacture: USA Product Name: Eyelash Conditioning Serum