Formulated in 1902 by Yunnan doctor 曲焕章 (Qu Huanzhang). A classic Chinese first-aid staple for bruises, cuts, and internal bleeding. The full formula is a Chinese state secret, officially classified as a protected prescription.
A flagship product line — toothpaste formulated with Yunnan Baiyao, marketed for gum bleeding. One of the top-selling premium toothpaste brands in China.