The LUCAS CC Lash Serum Growth Booster features a special formula containing bimatoprost which stimulates the hair follicles and increases blood circulation to enhance the eyelashes' growth, increasing both their length and density. This serum is also perfect for those wanting to repair the condition of their lashes after shedding that may be caused by eyelash extensions or hormonal factors. It is 100% vegan and cruelty-free, never tested on animals. Apply once a day, preferably at bedtime and you will start seeing results within 3 weeks. The gentle formula is non-irritating and is suitable for sensitive eyes. Each bottle contains 3ml serum.