Curl size is expressed in millimeters (1 mm = 0.04 inch). The higher the curl size in millimeters the straighter the hair.
The very slightest wave, called "Body Wave" is barely detectable in the hairpiece.
You can only see very large, slight waves.
- Straight
- Body Wave
- Slight Wave = 30mm-26mm
- Medium Wave = 25mm-20mm
- Tight Wave = 19mm-16mm
- Medium Curl = 15mm-11mm
- Tight Curl = 10mm-06mm
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