Every fLASH fave in one holiday gift. fLASH Eyelash Serum is physician-formulated for longer-looking lashes, the Lash Serum Mini keeps the routine going on trips, and fLASH Eyebrow Serum brings fuller-looking brows. fLASH Happy High-Definition Mascara adds lifted, defined lashes with water-resistant, smudge-proof wear, and there's an eyel