A wig can be worn for a day, a few days, or sometimes a couple of weeks depending on the method. But the goal should not be maximum hold. The goal should be a secure install that does not trap sweat, irritate skin, or neglect the hair underneath.
Daily glueless wear
Remove it at night if possible. This gives your scalp air, protects the wig, and makes cleaning easier.
Adhesive lace fronts
Many people wear glued lace fronts for several days to about one or two weeks. Some products promise longer, but scalp condition, sweating, oil, and removal safety matter.
Professional installs
A full install can last longer, but your natural hair still needs care. Do not ignore itching, odor, lifting glue, or tension just to stretch the style.
Bottom line
Wear a wig as long as it stays clean, comfortable, and secure. If your scalp is irritated, the install has already lasted too long.