This is one of the busiest shopping districts in Seoul with many hair material stores. You can find various brands and types of hair products here.
In addition to wholesale clothing, Dongdaemun also has a number of hairdressing material stores. Prices here are relatively more affordable.
Gangnam-gu is the fashion center of Seoul and has many high-end hair salons and material stores. If you want to buy some high quality hair products, consider coming here.