| Baseline | 4 W | 8 W | |||
TSE | Placebo | TSE | Placebo | TSE | Placebo | |
R7 (Skin firmness) | 0.359 ± 0.044 | 0.365 ± 0.048 | 0.416 ± 0.091 (0.056 ± 0.090*) | 0.370 ± 0.100 (0.004 ± 0.108) | 0.356 ± 0.068* (−0.003 ± 0.057*) | 0.308 ± 0.069 (−0.058 ± 0.075) |
R1 (Return to original skin, mm) | 0.052 ± 0.013 | 0.049 ± 0.014 | 0.030 ± 0.014* (−0.022 ± 0.020*) | 0.042 ± 0.017 (−0.007 ± 0.022) | 0.044 ± 0.021* (−0.008 ± 0.014*) | 0.056 ± 0.014 (0.007 ± 0.021) |
R2 (Gross elasticity, ratio) | 0.641 ± 0.065 | 0.064 ± 0.093 | 0.739 ± 0.121* (0.098 ± 0.126) | 0.665 ± 0.142 (0.020 ± 0.198) | 0.712 ± 0.180 (0.069 ± 0.099) | 0.642 ± 0.096 (−0.003 ± 0.138) |
R3 (Last maximal amplitude, mm) | 0.143 ± 0.029 | 0.144 ± 0.035 | 0.115 ± 0.026 (−0.028 ± 0.038) | 0.125 ± 0.026 (−0.019 ± 0.037) | 0.148 ± 0.053 (0.004 ± 0.047) | 0.160 ± 0.027 (0.016 ± 0.049) |
R4 (Last minimal amplitude, mm) | 0.052 ± 0.013 | 0.049 ± 0.014 | 0.030 ± 0.014* (−0.022 ± 0.020*) | 0.042 ± 0.017 (−0.007 ± 0.022) | 0.044 ± 0.021* (−0.008 ± 0.014*) | 0.056 ± 0.014 (0.007 ± 0.021) |
R5 (Net elasticity, ratio) | 0.533 ± 0.071 | 0.539 ± 0.080 | 0.572 ± 0.110* (0.039 ± 0.127) | 0.507 ± 0.124 (−0.032 ± 0.129) | 0.481 ± 0.145* (−0.049 ± 0.083*) | 0.413 ± 0.089 (−0.125 ± 0.103) |
R6 (Viscoelasticity, ratio) | 0.483 ± 0.095 | 0.473 ± 0.143 | 0.381 ± 0.095 (−0.103 ± 0.139) | 0.384 ± 0.096 (−0.089 ± 0.169) | 0.348 ± 0.111 (−0.126 ± 0.112) | 0.349 ± 0.074 (−0.124 ± 0.149) |
R8 (Total recovery, mm) | 0.092 ± 0.021 | 0.095 ± 0.030 | 0.086 ± 0.024 (−0.006 ± 0.028) | 0.083 ± 0.029 (−0.012 ± 0.039) | 0.105 ± 0.040 (0.012 ± 0.042) | 0.104 ± 0.029 (0.009 ± 0.045) |
R9 (Skin fatigue, mm) | 0.000 ± 0.000 | 0.000 ± 0.000 | 0.000 ± 0.000 | 0.000 ± 0.000 | 0.000 ± 0.000 | 0.000 ± 0.000 |