ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,740,936, issued on Sept. 22, was assigned to TCI Co. LTD. (Taipei, Taiwan).

"Method for improving skin complexion by using Rosa canina extract" was invented by Yung-Hsiang Lin (Taipei, Taiwan) and Hsiao-Nai Lin (Taipei, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for improving skin complexion of a subject in need thereof is provided. The method includes: administering to the subject an effective dose of a Rosa canina extract. The Rosa canina extract is obtained by extracting a whole fruit of Rosa canina by water. The Rosa canina extract achieves the effect of improving skin complexion by promoting iron absorption by cells, promoting ...