The present disclosure relates to an effect of promoting hyaluronic acid synthesis of a pomegranate concentrate. A pomegranate concentrate, prepared by treating pomegranate with a starch-degrading enzyme and passing the same through a heating concentration process and having an ellagic acid content of 0.8 mg/g or higher and a polyphenol content of 8 mg/g or higher, has an effect of promoting hyaluronic acid. According to the present disclosure, hyaluronic acid synthesis can be promoted and skin moisturization can be improved by administering a food or pharmaceutical composition containing the pomegranate concentrate as an active ingredient to a subject in need of promotion of hyaluronic acid synthesis.
