Need botox?  Dr. Mark Rubin of the Lasky Skin Center in Beverly Hills will treat one area with Botox. Mark G. Rubin, M.D. is a Board Certified Dermatologist. His practice is limited exclusively to Cosmetic Dermatology. Dr. Rubin also works as a consultant for various skin care, pharmaceutical and medical device companies. This combination of teaching, research and consulting keeps Dr. Rubin at the cutting edge of his specialty.