Research Article
Effects of Facial Threading on Female Skin Texture: A Prospective Trial with Physiological Parameters and Sense Assessment
Figure 3
Pre- and posttreatment skin roughness comparison of the forehead, cheek, and corner of the mouth for each group. nā=ā20; ; ; ; NCG: negative control group; EG: experimental group; PCG1: positive control group 1; PCG2: positive control group 2. The bars represent standard deviation. AU: arbitrary unit.