Baseline | After 8 weeks | Observed effect | Paired t test p-value | Effect Size (ES) | ||||
Mean | (SD) | Mean | (SD) | Mean | (SD) | |||
Total, n = 40 | ||||||||
Surface spot | 59.24 | (14.67) | 55.97 | (14.03) | 3.28 | (6.09) | 0.0016 | 0.22 |
Wrinkles | 12.13 | (7.94) | 10.22 | (6.75) | 1.92 | (5.94) | 0.0479 | 0.24 |
Texture | 476.08 | (255.08) | 397.43 | (212.42) | 78.66 | (132.81) | 0.0006 | 0.31 |
Pores | 241.93 | (105.72) | 219.53 | (92.52) | 22.41 | (42.58) | 0.0019 | 0.21 |
Red Area | 116.28 | (26.90) | 116.29 | (33.71) | -0.02 | (32.97) | 0.9975 | -0.00 |
30 - 50 years, n = 25 |
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Surface spot | 55.85 | (14.34) | 53.23 | (14.61) | 2.63 | (5.61) | 0.0278 | 0.18 |
Wrinkles | 8.15 | (4.82) | 8.48 | (6.27) | -0.33 | (5.07) | 0.7452 | −0.07 |
Texture | 364.08 | (165.23) | 346.01 | (186.62) | 18.07 | (69.82) | 0.2081 | 0.11 |
Pores | 211.04 | (102.77) | 207.71 | (97.81) | 3.33 | (22.72) | 0.4704 | 0.03 |
Red Area | 111.68 | (28.13) | 108.13 | (24.82) | 3.55 | (20.37) | 0.3927 | 0.13 |
50 - 65 years, n = 15 |
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|
|
| ||||
Surface spot | 64.89 | (13.88) | 60.53 | (12.10) | 4.36 | (6.89) | 0.0280 | 0.31 |
Wrinkles | 18.78 | (7.74) | 13.11 | (6.71) | 5.67 | (5.47) | 0.0013 | 0.73 |
Texture | 662.76 | (273.34) | 483.11 | (231.09) | 179.64 | (152.62) | 0.0004 | 0.66 |
Pores | 293.42 | (92.13) | 239.22 | (82.35) | 54.20 | (49.32) | 0.0008 | 0.59 |
Red Area | 123.93 | (23.64) | 129.89 | (42.34) | -5.96 | (47.49) | 0.6347 | −0.25 |