Welcome to Define Aesthetics Studio, Murrieta and Temecula Valley's premier destination for non-invasive aesthetic treatments. Founded by Wendy Ferguson, RN MSN, and supported by Medical Director Dr. Yalda Sedghi, MD, our studio specializes in personalized treatments including Botox, dermal fillers, biostimulators, chemical peels, microneedling, and Xerf lift & firm. We use only premium, FDA-approved products to deliver safe, effective results tailored to your unique beauty goals. Our mission is to enhance your natural beauty through expert care in a warm, welcoming environment — ensuring every visit feels like a step toward your most confident self. Located inside Salon Republic, we invite you to experience the art of refined beauty.