Crimping is not just a 1990s texture trick. Cosplay wig stylists use it to create volume, grip, and internal structure.
Check heat safety
Only use a crimper on heat-resistant synthetic or human hair. Test a hidden strand first.
Crimp the underlayers
For natural volume, crimp lower sections and leave the top layer smoother. For anime volume, crimp more of the wig and brush it out lightly.
Blend the surface
If visible crimp lines look too harsh, steam or smooth the top layer. Hairspray can lock the shape after styling.
Bottom line
Crimping works best as structure underneath the style, not always as the visible finish.