According to the investigation of enterprises, nicotinamide glycerol is a cosmetic ingredient, and Yuranmei nicotinamide glycerol is a product produced and developed by Guangzhou Yuranmei Cosmetics Co., Ltd., which has the legal person qualification and formal documents such as business license, trademark registration certificate, product inspection report, product certificate and hygiene license. These certificates and qualifications show that the product has gone through legal registration, approval and inspection procedures and meets the requirements of relevant national laws, regulations and standards.