07.10.13
• US Patent No. 8,444,959 B2; Mary Kay Inc. has patented a topical skin composition. It is comprised of a first MMP-1 inhibitor, wherein the first inhibitor is an extract from Burretiodendron hsienmu; a second MMP-1 inhibitor, wherein the second inhibitor is an extract from Bauhinia brachycarpa var. cavaleriei; and a third MMP-1 inhibitor, wherein the third inhibitor is an extract from Tetracentron sinense.