02.16.24
US Patent No. 11,896,696 B2 (Najla Guthrie, Robert Allen Guthrie); Ontario Inc., London, Canada, has patented a non-therapeutic method for lightening skin with topical application a formulation comprised of a skin lightening agent comprising a canola extract, and a cosmetically acceptable carrier. The canola extract comprises protocatechuic acid, vanilic acid, caffeic acid, syringic acid, P-coumaric acid, and sinapic acid. The canola extract provides from 0.1% to 5% sinapic acid by weight of the formulation. The canola extract comprises a dose of phenolic acids present in a concentration between about 0.1 μg/ml and about 1000 μg/ml.