Key Takeaway Cosmetic laser certification qualifies professionals to perform treatments like laser hair removal, skin rejuvenation, tattoo removal, and vein therapy. Certification programs cover laser physics, skin anatomy, safety protocols, and hands-on device training. Credentials are required for employment at med spas, dermatology clinics, and aesthetic practices across most states. If you want to work with lasers in a med spa, dermatology clinic, or aesthetic practice, c