RapidLash Eyelash Enhancing Serum is an award-winning formula with a success story of over 6 million units sold worldwide! RapidLash is ophthalmologist-tested and clinically proven to be safe and effective to cosmetically boost the look of your lashes! Please note, authentic RapidLash product approved for sale in the US is now being tagged with a Transparency Code label on the front panel of the unit carton. Please make sure you are purchasing from an authorized retailer of RapidLash.