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Table 6 Skin examination in placebo and SWT treated all healthy subjects

From: Antioxidant and physiological effects of Si-Wu-Tang on skin and liver: a randomized, double-blind, placebo-controlled clinical trial

Parameters

Duration

Placebo

SWT

Face

Arm/T-zone

Face

Arm/T-zone

Skin elasticity

Baseline

0.806 ± 0.09a

0.885 ± 0.08a

0.806 ± 0.09a

0.883 ± 0.05a

6th month

0.805 ± 0.08a

0.874 ± 0.05a

0.814 ± 0.08a

0.805 ± 0.08a

Skin moisture

Baseline

45.18 ± 10.75a

49.45 ± 9.66a

45.18 ± 10.75a

49.45 ± 9.66a

6th month

45.20 ± 9.86a

49.40 ± 10.83a

45.11 ± 8.62a

49.08 ± 9.49a

Surface water loss (g/m2/h)

Baseline

9.43 ± 1.07a

5.90 ± 0.66a

9.43 ± 1.07a

5.90 ± 2.36a

6th month

9.34 ± 1.54a

5.52 ± 1.79a

9.14 ± 3.73a

4.87 ± 1.61b

Sebum (μg/cm2) content

Baseline

71.46 ± 6.42a

163.86 ± 26.46a

71.46 ± 6.42a

163.86 ± 26.46a

6th month

64.02 ± 5.34a

152.76 ± 28.37a

62.06 ± 6.22a

144.96 ± 22.95b

Skin melanin index

Baseline

191.47 ± 40.59a

185.76 ± 28.02a

191.47 ± 40.59a

185.76 ± 31.02a

6th month

193.68 ± 34.78a

185.22 ± 28.78a

190.95 ± 41.44a

184.91 ± 40.51a

Skin erythema index

Baseline

261.12 ± 49.07a

227.68 ± 35.96a

261.12 ± 79.07a

227.68 ± 55.96a

6th month

266.37 ± 47.55a

229.40 ± 34.88a

275.55 ± 72.11b

239.06 ± 57.14a

Skin wrinkles

Baseline

34.84 ± 2.82a

37.41 ± 3.89a

34.84 ± 2.82a

37.41 ± 3.89a

6th month

34.97 ± 3.42a

37.02 ± 3.04a

34.06 ± 5.70a

35.23 ± 3.20b

  1. Values were expressed as mean ± SD (n = 55). Data within the same column of each group sharing different superscript letters (a, b) were significantly different (p < 0.05)