Aesthetica Cosmetic & Laser Surgery Center is located in Bethlehem, PA and has firmly established itself as the Lehigh Valley’s leading laser center, with 25 years experience and a tradition of excellence. Aesthetica Cosmetic & Laser Surgery Center Founded by David B. Vasily, M.D., F.A.A.D., a Board Certified dermatologist with over 40 years of experience in the field of dermatology and skin care. Aesthetica is staffed by highly trained individuals.