On the right side of the statue of Chairman Mao in Tianfu Square, there are several art shops in Sichuan Art Exhibition Hall, next to and opposite to it.
Lotus pond has it, but it is basically not retail unless you buy more.
There are shopping networks such as Taobao, searching for sellers from Chengdu, and then contacting sellers to see the goods can also save postage and the price is cheaper.
Also, there are places selling beauty tools near the Fine Arts Department of Chengdu University, and they are relatively complete.