Hot bangs will soften by a few percentage points.

Seventy percent. The specific time to soften hair needs to be determined according to the quality of hair. Generally, the softening time of hard and thick hair will be longer, and the softening time of thin and soft hair will be shorter, so it can be softened to 70%. The figure-of-eight bangs are divided into two parts, the hair that was originally above the forehead is bent, and the bent hair is naturally placed on the left and right sides.