To thrive as an Esthetician in a medical spa, you need a solid understanding of skincare fundamentals, knowledge of medical-grade treatments, and a valid state esthetician license. Experience with advanced treatment equipment such as lasers, microdermabrasion devices, and chemical peel systems is commonly required, along with certifications for specific procedures. Excellent interpersonal skills, professionalism, and attention to detail help build client trust and ensure positive service outcomes. These abilities are vital for delivering high-quality skincare services safely, fostering client loyalty, and collaborating effectively with medical professionals.