Test time | Stratum corneum hydration (A.U) | Increase rate % |
0 week | 37.50 ± 23.46 | - |
1 week | 54.85 ± 29.16* | 46.27 |
2 week | 55.52 ± 33.90* | 48.05 |
4 week | 71.37 ± 30.64** | 90.32 |