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Table 7 Skin examination in placebo and SWT treated healthy subjects with and without menstrual cycle

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

Parameters

Duration

Placebo

Si Wu Tang (SWT)

Without menstrual cycle

With menstrual cycle

Face

Arm/T-zone

Face

Arm/T-zone

Face

Arm/T-zone

Skin elasticity

Baseline

0.806 ± 0.09a

0.883 ± 0.05a

0.774 ± 0.08a

0.856 ± 0.06a

0.827 ± 0.09a

0.901 ± 0.05a

6th month

0.805 ± 0.08a

0.874 ± 0.05a

0.769 ± 0.08a

0.864 ± 0.06a

0.843 ± 0.06a

0.895 ± 0.06a

Skin moisture

Baseline

45.18 ± 10.75a

49.45 ± 9.66a

44.83 ± 10.75a

47.42 ± 9.20a

45.41 ± 10.40a

50.80 ± 9.86a

6th month

45.20 ± 9.86a

49.40 ± 10.83a

48.11 ± 8.62a

51.08 ± 9.94a

43.11 ± 8.62a

47.45 ± 9.09a

Surface water loss (g/m2/h)

Baseline

9.43 ± 1.07a

5.90 ± 0.66a

10.02 ± 1.90a

5.81 ± 0.98a

9.04 ± 1.07a

5.97 ± 1.89a

6th month

9.34 ± 1.54a

5.52 ± 0.79a

9.83 ± 3.26a

4.59 ± 1.08a

9.34 ± 3.73a

5.06 ± 1.55b

Sebum (μg/cm2) content

Baseline

71.46 ± 6.42a

152.86 ± 26.46a

68.82 ± 6.53a

162.27 ± 16.46a

73.24 ± 6.42a

164.91 ± 16.46a

6th month

64.02 ± 5.34a

163.76 ± 28.37a

58.00 ± 6.96a

155.41 ± 30.47a

71.42 ± 6.22a

138.00 ± 22.95b

Skin melanin index

Baseline

191.47 ± 40.59a

185.76 ± 28.02a

201.02 ± 40.59a

204.27 ± 31.02a

185.10 ± 40.59a

173.41 ± 27.43a

6th month

193.68 ± 34.78a

185.22 ± 28.78a

202.80 ± 41.44a

203.29 ± 40.51a

183.05 ± 41.44a

172.65 ± 30.51a

Skin erythema index

Baseline

261.12 ± 49.07a

227.68 ± 35.96a

295.57 ± 49.07a

259.23 ± 64.10a

238.16 ± 54.70a

206.65 ± 38.06a

6th month

266.37 ± 47.55a

229.40 ± 34.88a

303.66 ± 41.17b

263.21 ± 64.58a

256.80 ± 59.54b

222.97 ± 45.88b

Skin wrinkles

Baseline

34.84 ± 2.82a

37.41 ± 3.89a

35.66 ± 3.15a

37.69 ± 4.96a

34.30 ± 2.48a

37.22 ± 3.05a

6th month

34.97 ± 3.42a

37.02 ± 3.04a

34.83 ± 3.03a

36.66 ± 3.92a

34.54 ± 3.61a

34.95 ± 2.65b

  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)