Baseline

4 W

8 W

TSE

Placebo

TSE

Placebo

TSE

Placebo

R7 (Skin firmness)

0.656 ± 0.093

0.663 ± 0.098

0.641 ± 0.082

(−0.016 ± 0.107)

0.626 ± 0.094

(−0.037 ± 0.073)

0.622 ± 0.154

(−0.034 ± 0.095)

0.596 ± 0.078

(−0.068 ± 0.079)

R1 (Return to original skin, mm)

0.028 ± 0.010

0.027 ± 0.009

0.020 ± 0.008

(−0.008 ± 0.012)

0.021 ± 0.006

(−0.006 ± 0.011)

0.027 ± 0.010

(−0.002 ± 0.013)

0.029 ± 0.006

(0.002 ± 0.009)

R2 (Gross elasticity, ratio)

0.824 ± 0.079

0.835 ± 0.056

0.837 ± 0.047

(0.013 ± 0.094)

0.825 ± 0.048

(−0.009 ± 0.062)

0.826 ± 0.185*

(0.001 ± 0.070)

0.798 ± 0.047

(−0.036 ± 0.056)

R3 (Last maximal amplitude, mm)

0.178 ± 0.044

0.170 ± 0.034

0.123 ± 0.033

(−0.054 ± 0.054)

0.119 ± 0.023

(−0.050 ± 0.029)

0.151 ± 0.046

(−0.028 ± 0.052)

0.147 ± 0.031

(−0.023 ± 0.046)

R4 (Last minimal amplitude, mm)

0.028 ± 0.010

0.027 ± 0.009

0.020 ± 0.008

(−0.008 ± 0.012)

0.021 ± 0.006

(−0.006 ± 0.011)

0.027 ± 0.010

(−0.002 ± 0.013)

0.029 ± 0.006

(0.002 ± 0.009)

R5 (Net elasticity, ratio)

0.869 ± 0.106

0.877 ± 0.104

0.834 ± 0.099

(−0.035 ± 0.116)

0.818 ± 0.102

(−0.059 ± 0.088)

0.787 ± 0.191

(−0.079 ± 0.109)

0.749 ± 0.076

(−0.128 ± 0.070)

R6 (Viscoelasticity, ratio)

0.323 ± 0.070

0.331 ± 0.088

0.308 ± 0.078

(−0.016 ± 0.105)

0.314 ± 0.073

(−0.017 ± 0.086)

0.269 ± 0.091

(−0.049 ± 0.057)

0.265 ± 0.072

(−0.067 ± 0.104)

R8 (Total recovery, mm)

0.149 ± 0.040

0.143 ± 0.034

0.103 ± 0.029

(−0.046 ± 0.048)

0.098 ± 0.020

(−0.044 ± 0.026)

0.125 ± 0.039

(−0.026 ± 0.044)

0.118 ± 0.028

(−0.025 ± 0.042)

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