COMPOSITION COMPRISING EXTRACT OF HIRUDO NIPPONICA WHITMAN FOR INHIBITING SYNTHESIS OF MELANIN

摘要

PURPOSE: A composition which includes Hirudo Nipponica Whitman extract is provided to be used for inhibiting an activation of tyrosinase; suppressing a melanogenesis; preventing, reducing and treating a disease from an excessive formation of the melanin; and whitening effect. CONSTITUTION: A cosmetic composition includes Hirudo Nipponica Whitman extracts as an active ingredient. The cosmetic composition is for whitening effect. The cosmetic composition has an antioxidant activity. The Hirudo Nipponica Whitman extract is selected from a group which comprises a methanol extract of Hirudo Nipponica Whitman and an ethanol extract of Hirudo Nipponica Whitman. The melanogenesis hindering medicinal composition includes the Hirudo Nipponica Whitman extract as the active ingredient.