Asian curls, occurring naturally, can be hard to maintain because Asian hair has more compact cuticle cells than other ethnic types of hair, which makes it thicker and denser. The thickness and density can make it a high-maintenance hairstyle.  Once you find the right mix of products and techniques to keep them looking flawless and tamed, They are not that difficult to maintain. If you do not have natural curls but have Asian hair, you will need to find the right mix through experimentation to find the best method to achieve your curls.