Research Article

Effects of Facial Threading on Female Skin Texture: A Prospective Trial with Physiological Parameters and Sense Assessment

Figure 4

Pre- and posttreatment skin hydration comparison of the forehead, cheek, and corner of the mouth for each group. n = 20; ; ; ; 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.