A little competition is always good and a new anti-wrinkle injection, Dysport, is giving Botox a run for its money. Medicis Aesthetics is so sure of its products it is offering rebates not only on Dysport, but also on its competitor—if a dissatisfied consumer returns to Botox. Available at SkinCentre Advanced Medical Aesthetics (220 S Central Ave, Hartsdale 914-949-6200).