Did you know? RevitaLash Advanced is the only lash serum with patented technology for The Curl Effect. Not only will you notice healthier-looking, stronger, more beautiful lashes, but you may also notice a natural curl - no lash curler necessary.Enhance the look of luxurious eyelashes for dramatic, natural beauty.Original, one-of-a-kind, ophthalmologist developed eyelash conditioner that enhances the look of lashes and protects against breakage, while improving health, flexibility and strength, for lashes that thrive, naturally.