Dr. Julian Sass

Dr. Julian Sass specializes in cosmetics R&D, focusing on clinical testing and formulation. He has led R&D for a skincare brand carried at Sephora and consulted for beauty companies of all sizes. Known for effectively communicating complex scientific concepts about skin, hair, and OTC products, Dr. Sass also maintains a sunscreen database with 500+ products and has been featured in The Washington Post, Vogue, Business of Fashion, and Today.