Welcome to LI Beauty Bar Aesthetics, Long Island's premier medical aesthetics destination led by Maritza Mejia, Family Nurse Practitioner. With over 20 years of healthcare experience — including critical care in the ICU — Maritza brings unmatched expertise and compassion to every treatment. Located in Smithtown, New York, LIBB specializes in FDA-approved treatments including Microneedling, Dermal Fillers, Biostimulators, and Neurotoxins. Every service is performed within a private, luxurious, and professional facility, tailored to each client's unique goals. At LIBB, we believe radiant, healthy skin reflects your inner beauty — and we're here to help you achieve it with personalized care, open communication, and cutting-edge cosmetic medicine.