Dr. Sherif Mattar talks about Ultherapy admin Testimonials Ulthera is a safe and effective, non-invasive procedure for skin-tightening and lifting. Check Dr. Sherif Mattar explaining the difference between Ulthera, botox and fillers, and why he recommends using Ulthera. aesthetic, clinic, doctor, dubai, lebanon, medica, testimonial, testimonials July 12, 2018