See Results in Just 2 Weeks: Developed by a physician, fLASH Eyelash Serum is an effective and affordable lash serum that works better and faster than the competition! Most users begin to see initial results as soon as 2-4 weeks with full results in 12 weeks (90 days). | Get Long, Curled Lashes in a fLASH: fLASH Cosmetics will give you the lashes you’ve always desired – no lash extensions needed! Already have extensions? fLASH will enhance, improve, support, and strengthen your natural lashes for less lash breakage! | How To Apply: Apply a thin line of serum right above the upper lash line like you would liquid eyeliner. Do not apply to lower lashes. Proper application is key! A little serum goes a long way so be sure to wipe off any excess serum in the tube. | For Sensitive Skin/Eyes: Safe for use with contact lenses and sensitive eyes! For those with sensitive skin, we recommend applying the serum every other day for the first 10 days to ensure no irritation occurs. If irritation occurs, discontinue use. | Lash Satisfaction: Your happiness is our priority! If you are not fully satisfied with fLASH Serum, please let us know within 90 days. Our US-based team will be here to assist you with any question or concern!