Wigs are different from shoes and have a fixed size model, so it is best to buy wigs in person. It is not recommended to choose the form of online shopping.
The size should be appropriate, and whether the position of the corner of the wigs exactly matches the corner of the wig. The best wig material is a wig made of real hair. The color of the hair is the same as or similar to your own color. If it is black straight hair, it is better to choose natural black hair that has not been dyed black. The base of the wig (the bottom of the layer of machine hair) is preferably a thin fabric with good air permeability and not very smooth. Very smooth base, not easy to wear stable on the head.
At the same time, when choosing a wig, pay attention to whether your face shape is suitable for the wig. Generally speaking, round face is not suitable for wearing Qi bangs wigs; long face is not suitable for short hair, the thickness of both sides should be adjusted appropriately.
Finally, when buying a wig, it's best to bring a friend and ask the friend to help observe whether the wig is natural and good-looking.