Now Introducing the Month-Long Lash Extension™ - Guaranteed Longevity. Lash Designs for the Professional Woman. Lash Lab is a Hypoallergenic Mink lash extension and lash lift spa in Baltimore, MD that specializes in naturalistic European + Asian inspired lash extension design. We feature lash extensions that aren't excessively extreme, and are home to the newest technologies like LED UV Lash Extensions. We also accept walk-in last minute same day appointments and bookings. We're well-versed in hooded / monolid eyes as well as lashes with curls or prior damage. Lash Lab fuses expertly trained beauty practitioners with expertise in science and high-quality Vegan + Cruelty-Free product formulation.