fLash Flash Amplifying Eyelash Serum 2mlA lash conditioning serum like this has never been available before at such an affordable price with such a powerful promise. Created by a Medical Doctor to be: Safe: Ophthalmologist tested, safe for both sensitive eyes and contact lens wearers. Easy: Applied like a liquid eyeliner during your morning skincare routine. Effective: Our formula is packed with hair healthy ingredients that nourish and condition the lash follicle.