The invention discloses a sorghum distillery residue extract, using Kinmen sorghum distillery residue as raw material and obtained by extracting from the sorghum distillery residue with pure water and a supercritical fluid. The sorghum distillery residue extract has antioxidative activity, ability to inhibit tyrosinase, and ability to reduce the content of melanin produced, and can be used as an additive for preparation of cosmetic or cosmeceutical compositions. The sorghum distillery residue extract has better cytotoxicity, antioxidative capacity and whitening ability when being in an amount of 0.001 weight percent to 0.003 weight percent, based on a total weight of total polyphenols, from the distillery residue, of the compositions.
