Can I use a curling iron instead of a flat iron with framesi STRIKE4?

No, a curling iron is not recommended for use with STRIKE4 since it cannot give even heat and color distribution.

No, a curling iron is not recommended for use with STRIKE4 since it cannot give even heat and color distribution. A flat iron has two hot plates that can apply heat evenly to both sides of STRIKE4 processing sheets without bending the hair or causing damage.