Zi Collection, Page Position: Upper, Radical: Hair (shān), Page 10, Entry 03. "Zhengzi Tong" states that this character is the same as the character xu. "Fugu Bian" states that the character 䰅 was originally written as 须. Currently, the character 须 is used to mean "to need," while the character for hair on the face is written as 䰅. In popular copying, it has also been written as 鬚.