If your natural hairline shows or your wig tends to slip back, which means the wig is not fitting properly on your head. In this case, you have to review your head measurements. Use UniWigs sizing chart to find the wig size that is right for you. The fit of your wig depends on the circumference of your head from the nape to the hairline. You can use a soft measuring tape to determine this.
How to Find Your Correct Wig Size| UniWigs Head Measurements
If your head size does not match your wig size, your wig will tend to slip back so that you will need to wear a new wig that is match your size in order to prevent it from slipping back.
If your head size matches your wig size, you’ll need to adjust the straps in the back of nape. This will help to secure placement. Also, you can glue the wig down in the front to prevent it from slipping back.