HADUN Hair Centum Busan is a hair salon in Centum, Busan, offering design cuts, perms, coloring, and scalp and hair treatments. Services include the Ojuah clinic, ash brown coloring, and layered and hush perms, chosen after a consultation based on hair condition and face shape. Scalp care takes just under two hours and is done in a spa room with a massage chair. After the service, staff explain styling methods that can be followed at home.