Cosmetic chemical engineers combine and test ingredients for cosmetics and personal care products, such as soap, shaving cream, and lotions. In this role, your responsibilities involve researching the qualities of different elements commonly used in cosmetics and developing new or tweaking established formulas for products. During the process, you evaluate the products to ensure that they meet quality and consumer safety standards as outlined by your company and government regulations. Cosmetic chemical engineers work in a research lab or manufacturing facility; they often collaborate closely with market research experts to determine the wants and needs of consumers before creating different compounds.