COS wig refers to a wig used for COSplay or makeup, usually made of synthetic fiber materials. If COS wig needs to be trimmed or adjusted in length and shape, you can consider going to a professional barber shop for help. Barbers usually have relevant skills and experience, and can cut and shape according to personal needs, so that wigs are more suitable for users' image and role needs. Before going to the barber shop, it is recommended to contact the barber shop in advance to explain that what you need to trim is COS wig, so as to ensure that they are willing to accept such service and can provide professional trimming and styling advice.