Research Article
Variation of Biophysical Parameters of the Skin with Age, Gender, and Body Region
Table 3
The mean and standard deviation of skin hydration, TEWL, melanin index, erythema index, sebum, and elasticity according to body location.
| | Forehead | Cheek | Nasolabial fold | Neck | Forearm | Dorsal | Palm | Leg |
| Hydration | 53.54 ± 16.49 | 62.12 ± 15.63 | 38.19 ± 18.02 | 62.88 ± 15.28 | 51.00 ± 15.92 | 44.14 ± 17.43 | 40.47 ± 18.47 | 37.22 ± 17.50 | TEWL | 12.27 ± 10.05 | 9.57 ± 7.22 | 14.05 ± 8.25 | 10.47 ± 9.23 | 10.12 ± 9.54 | 9.86 ± 8.84 | 23.47 ± 9.67 | 9.68 ± 9.52 | Melanin | 228.16 ± 66.48 | 203.35 ± 50.53 | 202.29 ± 54.01 | 225.96 ± 66.41 | 193.31 ± 70.34 | 225.94 ± 67.25 | 98.98 ± 41.75 | 189.71 ± 62.31 | Erythema | 420.49 ± 90.31 | 399.80 ± 91.12 | 480.42 ± 88.93 | 373.27 ± 97.31 | 257.88 ± 69.87 | 331.94 ± 62.23 | 248 ± 60.82 | 205.00 ± 63.52 | Sebum | 95.65 ± 51.38 | 73.39 ± 64.05 | 136.98 ± 72.33 | 64.41 ± 64.51 | 18.45 ± 37.88 | 8.84 ± 8.45 | 9.82 ± 10.11 | 2.88 ± 6.42 | Elasticity | .2901 ± .1072 | .3040 ± .0820 | .3057 ± .1051 | .4528 ± .1102 | .2783 ± .0775 | .2280 ± .0851 | .1819 ± .1339 | .1373 ± .0685 |
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