The application discloses a whitening composition and a preparation method thereof. The whitening composition comprises
undecylenoyl phenylalanine,
Galium aparine extract,
Terminalia arjuna
bark extract,
Ascophyllum nodosum extract and Dictyota fasciola extract. The whitening composition has excellent
tyrosinase enzyme activity inhibiting effect, is mild and non-irritating, and has a good popularization and application prospect.