The magic of botanical dyes chinadaily.com.cn | Updated: 2025-11-07 09:20

https://www.chinadaily.com.cn/a/202511/07/WS690d497ca310bfcd27fc558c.html Who would have thought that Polygonum tinctorium (whose root is known as banlangen, and is used in traditional Chinese remedies), could also work magic on fabric?