A skin-whitening essence composition containing a tyrosinase inhibitor is disclosed. The skin-whitening essence composition includes: 0.1-2.5 wt % of the tyrosinase inhibitor (CitrusC), 0.1-2.5 wt % of ascorbic acid 2-glucoside (AA2G), 0.1-2.5 wt % of tranexamic acid and a moisturizing essence base that work synergistically to provide the skin-whitening essence composition with skin-whitening effect.